Companies
93 companies. Each links back to its capability assets — start from the problem, not the company name.
Tainetsu Co., Ltd.
Sakura-ku, Saitama, Japan
Manufacturer of industrial fans and machining services, including machining of carbon-fiber-reinforced carbon composite material for high-temperature applications.
Shinko Chemical Industrial Co., Ltd.
Chuo-ku, Osaka, Japan
Producer of rare-metal products using recycling technology, including vanadium, selenium, tellurium, indium, chlorides, and LTO battery material.
Nihon Form Service Co., Ltd.
Koto, Tokyo, Japan
Manufacturer of server-rack and data-center equipment, including Japan-localized one-phase immersion-cooling systems.
Tainetsu Co., Ltd.
Sakura, Saitama, Japan
Manufacturer of industrial fans and processor of C/C composite parts for high-temperature equipment.
Nippon Form Service Co., Ltd.
Koto, Tokyo, Japan
Japanese B2B manufacturer of data-center racks and immersion-cooling equipment; its ICEraQ line is localized, manufactured, and sold for the Japanese market under a license agreement with GRC.
Kansai Electronic Industry Co., Ltd.
Amagasaki, Hyogo, Japan
Custom printed-circuit-board designer and manufacturer offering high-frequency, PTFE, PPE, ceramic, high-heat-dissipation, and multilayer board production.
NAKANO Co., Ltd.
Fukushima, Fukushima, Japan
Precision-machining supplier offering an integrated CFRP workflow from design and molding through machining, coating, inspection, and testing.
Renaissance Energy Research Co., Ltd.
Osaka, Japan
Small energy-technology developer applying catalyst and membrane technologies, including CO2-selective permeation membranes for gas separation research and demonstration projects.
Sanyo Electronic Industries Co., Ltd.
Okayama, Japan
Manufacturer of industrial PSA gas-generation equipment that is extending its adsorption and regeneration system design to custom CO2-recovery equipment for exhaust-gas applications.
Sawafuji Electric Co., Ltd.
Ota, Gunma, Japan
Manufacturer of electrical equipment and generators with a hydrogen-production technology program based on ammonia decomposition and hydrogen separation.
CONNEXX SYSTEMS Corporation
Japan
Developer and manufacturer of next-generation batteries, industrial battery systems, and high-rate lithium-ion battery products.
CLINE Co., Ltd.
Ome, Tokyo, Japan
Precision metal-machining supplier that designs and assembles custom water-cooled heat sinks and processes oxygen-free copper, aluminum, stainless steel, titanium, magnesium, and nickel alloys.
NAKANO Inc.
Fukushima, Fukushima, Japan
Precision-parts manufacturer providing machining of CFRP and other difficult-to-machine materials, with design, inspection, and test support.
Shikoku Block Industry Co., Ltd.
Ino, Kochi, Japan
Regional concrete-secondary-products manufacturer producing precast infrastructure blocks and low-carbon concrete products using blast-furnace slag powder.
Fuji Kokuen Co., Ltd.
Setagaya, Tokyo / Koriyama, Fukushima, Japan
Graphite importer and powder processor operating drying, grinding and classification in Koriyama, with spherical graphite grades listed for secondary-battery anodes and a Thailand expanded-graphite plant.
Kyoyu Seisakusho Co., Ltd.
Fujisawa, Kanagawa, Japan
15-person Fujisawa job shop that machines and joins custom liquid-cooled jacket cold plates in aluminum, copper, and stainless steel, using friction-stir welding for Al/Cu lids and TIG plus distortion correction for stainless.
Consuss Corporation
Osaka, Japan
Osaka stainless-valve and fitting maker (65 staff) that specifies and builds mixed-standard DLC piping kits—valves plus prefabricated spools—for data-center coolant loops whose CDU and rack hardware arrive with non-Japanese thread, flange, and sanitary ends.
Kitagawa Gress Tech Co., Ltd.
Hanamigawa-ku, Chiba, Japan
CMP, grind and dicing contract shop (Kitagawa group) that lists TSV and TGV metal-fill planarization among its semiconductor process services.
San-ei Kagaku Co., Ltd.
Kita-ku, Tokyo, Japan
Specialty chemical maker of permanent via-plugging inks used on MPU package substrates and HDI boards so plated-over vias can be rebuilt as a flat surface.
NEWTEC Co., Ltd.
Sendai, Miyagi, Japan
Sendai SME (est. 2001, capital ¥10M, 17 employees) specialized in injection-molded plastic magnets (bonded magnets) and two-shot in-mold integration of magnet and structural parts.
Keihin Kagaku Kogyo Co., Ltd.
Yokohama, Kanagawa, Japan
Yokohama Okurayama ferrite-magnet manufacturer (started 1958) making isotropic and anisotropic sintered ferrite, plus in-house cutting, grinding and ceramic co-press parts.
Thermo Engineering Co., Ltd.
Yorii, Saitama, Japan
Yorii town-factory maker of industrial electric heat-treatment furnaces that also designs and sells an AX-gas ammonia dissociator producing a 75% hydrogen / 25% nitrogen mixed gas.
Fuji Kashoku Co., Ltd.
Ono, Hyogo, Japan
CFRP recycler and secondary processor developing recycled-carbon-fiber compounds and horizontal recycling from waste fiber to molded products.
e-Cearras Co., Ltd.
Hioki, Kagoshima, Japan
Kagoshima micro-firm offering domestic volcanic-glass (shirasu) micro-powder as a cement-replacement supplementary cementitious material for concrete, shotcrete, ground improvement and refractories.
Nippon Gasket Co., Ltd.
Toyota, Aichi, Japan
Automotive sealing-parts manufacturer producing fuel-cell stack terminals that combine electrical takeoff with multi-material thermal press bonding seals.
THANK-METAL Co., Ltd.
Miki, Hyogo, Japan
Designs and manufactures configurable lithium-ion battery prototype equipment, including precision roll coaters, stacking equipment, and related cell-assembly machines.
3DC Inc.
Sendai, Miyagi, Japan
Develops and supplies Graphene MesoSponge (GMS) carbon materials for lithium-ion battery conductive additives and silicon-based anodes.
Sanwayuka Co., Ltd.
Japan
Industrial recycling specialist separating and recovering precious and rare metals from difficult waste streams using chemical treatment, distillation and solvent extraction.
Top Seiko Co., Ltd.
Nagahama, Shiga, Japan
Manufacturer of precision-machined products in ceramics, glass, refractory metals and other difficult-to-machine materials, with thermal diffusion bonding capability.
Kozai Iron Co., Ltd.
Takamatsu, Kagawa, Japan
Steel-fabrication and large-machining specialist producing welded and machined structures and equipment for energy and nuclear-related applications.
Ammon Fields Inc.
Minato-ku, Tokyo, Japan
Science Tokyo (formerly Tokyo Tech) spin-out commercializing iron-hydride ammonia synthesis catalysts and related low-temperature, low-pressure ammonia production process options for fuel and fertilizer use.
Risoh Precision Co., Ltd.
Gifu, Japan
Precision machining specialist for CFRP and difficult-to-machine materials, offering one-stop manufacturing from material selection to inspection.
Aizawa Concrete Corporation
Tomakomai, Hokkaido, Japan
Regional comprehensive concrete manufacturer implementing CarbonCure CO2 mineralization and Basilisk self-healing concrete for precast, ready-mix, and pile products.
Unix Co., Ltd.
Shiga, Japan
Specialty filter and materials manufacturer applying powder adsorbent forming technology to CO2 recovery honeycomb sorbents for direct air capture and industrial exhaust treatment.
Enoah Inc.
Toyota, Aichi, Japan
Manufacturer of PEM water electrolysis stacks, fuel cell evaluation systems, and hydrogen energy systems for on-site hydrogen generation.
IKK Corp.
Tokyo, Japan
Manufacturer of geopolymer concrete 'Cemenon' and concrete segment products for tunnel and infrastructure, with zero-cement alkali-activated binder technology.
Ultra-High Purity Co., Ltd.
Oita City, Oita Prefecture, Japan
Oita National College of Technology spin-out developing vanadium superalloy (VASA) membrane modules for ultra-high-purity hydrogen (>99.9999%) purification — a lower-cost substitute for palladium-alloy membranes in semiconductor, medical, and hydrogen-infrastructure applications.
Netts Co., Ltd. (株式会社ネッツ)
Nagaoka, Niigata, Japan
Specialist developer and contract manufacturer of tab leads (cell terminals) for lithium-ion pouch cells, offering custom sizes, shapes, and sealant film configurations with ISO9001 and ISO14001 certification.
株式会社マイクロジェット (Microjet Co., Ltd.)
長野県塩尻市大門五番町79-2, Japan
Designer and manufacturer of the PerovsJet inkjet coating system purpose-built for perovskite solar cell R&D, featuring a glass/Teflon single-nozzle head resistant to aggressive solvents (DMF, NMP) and capable of forming sub-micron perovskite layers from under 0.5 mL of ink.
Rare Metal R&D Inc. (レアメタル技研株式会社)
1-9-1-1207 Nakase, Mihama-ku, Chiba City, Chiba 261-0023, Japan (Development & Manufacturing: 1-8 409 Hibikino, Wakamatsu-ku, Kitakyushu, Fukuoka)
Micro-enterprise specializing in the development and supply of lithium-selective adsorbents and modular lithium recovery plants for salt-lake brine, geothermal water, seawater, and spent lithium-ion battery black mass.
Yamato Gokin Co., Ltd.
Itabashi, Tokyo, Japan
Special copper alloy sales and distribution arm of the Yamato Gokin group. Supplies beryllium copper, chromium copper, aluminum bronze, and other specialty alloys for nuclear fusion, aerospace, and industrial applications.
Kannetsu Thermal Eng. Co., Ltd.
Osaka, Japan
Engineering company specializing in thermal management systems for data centers and industrial cooling. Provides turnkey liquid cooling infrastructure for AI servers including 1MW-class cooling systems, container-type mechanical rooms, load bank testing, and piping solutions.
EBINAX株式会社 (EBINAX Co., Ltd.)
東京都大田区東糀谷5-22-13, Japan
End-to-end processing service provider for TGV (Through Glass Via) glass core substrates, covering glass procurement, micro-hole drilling via LPKF LIDE laser technology, seed layer formation, copper plating (conformal and filling), polishing, dicing, and inspection in a single workflow.
株式会社ニチワ工業 (Nichiwa Kogyo Co., Ltd.)
長野県茅野市本町東3-17, Japan
Semiconductor back-end processing specialist that developed LET (Laser & Etching Technology) for TGV formation on glass substrates using picosecond lasers, achieving aspect ratios up to 9:1 with ±10μm positional accuracy, targeting 2.5D/3D chiplet packaging and glass interposer applications.
武蔵野ファインガラス株式会社 (Musashino Fine Glass Co., Ltd.)
埼玉県川越市下赤坂617-3, Japan
Ultra-small glass etching specialist (16 employees) offering TGV micro-hole processing, cavity forming, slimming, and chemical cutting for semiconductor glass packaging and advanced substrates, using laser modification + wet etching with in-house blended etchants.
株式会社光響 (Symphotony / Kokyo, Inc.)
京都市下京区水銀屋町637, Japan
Femtosecond laser processing equipment manufacturer that developed 'Femto-pro' machine with proprietary GHz Pulse Injection Technology for direct laser drilling of TGV (Through Glass Via) in glass core substrates without special optics, achieving 5μm exit hole diameter with aspect ratio 240:1 in soda-lime glass.
Future Materialz Inc.
Suginami, Tokyo, Japan / Kyoto Laboratory, Japan
University spin-out R&D venture developing rare-earth-free iron nitride (Fe16N2) permanent magnet materials and nano-magnetic composites.
PM Giken Inc.
Omiya, Saitama, Japan
Specialist manufacturer of injection-molded bonded (plastic) magnets with in-house magnetic circuit design, mold fabrication, and multi-pole magnetization capabilities.
Yamazaki Denki Co., Ltd.
Sakado, Saitama, Japan
SME industrial furnace maker (est. 1941) supplying ammonia dissociation units that produce H2+N2 atmosphere gas for heat treatment and related processes.
OES Co., Ltd.
Okazaki, Aichi, Japan
Micro-SME catalyst and equipment specialist for high-concentration ammonia gas and wastewater abatement using proprietary TITERIX catalysts and ReNOX / CAT-Ammofree systems.
スーパーレジン工業株式会社 (Super Resin Industry Co., Ltd.)
東京都稲城市 (Tokyo, Japan)
A 200-employee advanced composite design and molding specialist with 60+ years of CFRP/GFRP experience. Serves aerospace (JAXA Hayabusa structural components), semiconductor equipment, automotive, wind energy, and medical sectors. Holds JIS Q 9100 and ISO 9001. Capabilities span resin development, structural design, multiple molding processes, and full integration.
株式会社シリカジャパン
北海道石狩市緑苑台東3条1丁目52
Very small Hokkaido-based manufacturer of volcanic glass micro-powder concrete admixture 'Silica White', a natural pozzolan that can replace a portion of Portland cement in concrete, reducing CO₂ emissions from cement production while improving durability. Originally established as a yūgen kaisha in 1996 and reincorporated as a kabushiki kaisha in 2024. Registered on NETIS and JIS A 6209 certified for concrete-use volcanic glass micro-powder.
株式会社黒姫
東京都足立区西新井5丁目4番1号
Tokyo-based construction waste processor (est. 1973, ~68 employees) that developed CO₂-Nomicom — recycled crushed stone aggregate that fixes CO₂ via accelerated carbonation during the recycling process. Converts concrete demolition waste into carbon-negative aggregate for road base, backfill, and concrete secondary products. NETIS registered. Operates multiple processing plants in the Kanto region with a combined production capacity of >2,000 t/day.
JCCL, Inc.
Fukuoka, Fukuoka, Japan
Developer and manufacturer of CO2 separation and recovery technology using amine-containing gel solid absorbents. Kyushu University spin-out commercializing low-cost CO2 capture for post-combustion exhaust and direct air capture.
Toyo Seimitsu Kogyo Co., Ltd.
Kashihara, Nara, Japan
Precision photo-etching manufacturer specializing in SOFC interconnectors/separators, thick-plate etching, precision metal parts for semiconductor and electronic device manufacturing, and custom fabrication of flow channels and carrier tools.
NITTOKU KYOTO Co., Ltd.
Minami-ku, Kyoto, Japan
Laser micro-processing equipment manufacturer specializing in perovskite solar cell patterning systems with 20µm line width, patented stretch-compensation technology, and roll-to-roll compatibility.
EneCoat Technologies Co., Ltd.
Kyoto, Japan
University spin-out developing perovskite solar cell materials and ultrathin flexible modules for diverse applications including mobility and IoT.
Peccell Technologies, Inc.
Yokohama, Japan
Small specialist providing equipment, materials and evaluation tools for perovskite solar cell R&D, including automatic coating and inkjet systems for flexible films.
Nanosystems JP Inc.
Tokyo, Japan
Precision microfabrication foundry specializing in Through-Glass Via (TGV) and advanced packaging processes for photonics and semiconductor interposers.
TECNISCO, LTD.
Tokyo, Japan
Microfabrication specialist providing through-glass via (TGV) processing for glass wafers used in 3D wafer-level packaging and RF/MEMS applications.
NSC Co., Ltd.
Osaka, Japan
Chemical etching specialist offering large-format through-glass via (TGV) fabrication on glass substrates up to 730x920mm for 2.5D/3D semiconductor packaging.
株式会社Future Materialz (FMC)
Kyoto, Japan (HQ: Tokyo; Labs: Kyoto, Sendai)
University spin-out R&D venture (est. 2015, capital ¥18.5M) focused on iron-based magnetic nanomaterials. Developer of MAGesty, a true rare-earth-free permanent magnet material based on iron nitride (Fe16N2) nanocomposites, with demonstrated compatibility with injection and compression molding for automotive-grade bonded magnets.
岡村特殊金属株式会社 (Okamura Special Metals Co., Ltd.)
Himeji, Hyogo, Japan
A 20-employee magnet manufacturer (est. 2023, capital ¥10M) that is Japan's only maker of cast and rolled Fe-Cr-Co (FCC) permanent magnets — a truly rare-earth-free and nickel-free alternative to Alnico and NdFeB. Inherited 60+ years of process heritage from the former Sumitomo Special Metals / NEOMAX group's metal magnet division. Also manufactures cast Alnico magnets via Japan's only remaining production line.
サカイオーベックス株式会社
Fukui, Japan
Developer of spread-tow (開繊) carbon fiber yarns, woven fabrics, UD sheets and prepregs; also carbon fiber reinforced aluminum matrix composites.
株式会社信濃工業
Japan
Manufacturer of long and large-diameter CFRP pipes using sheet-winding (SW) method with UD prepreg; high-strength, high-precision industrial pipes.
小倉セメント製品工業株式会社 (Kokura Cement Products Kogyo Co., Ltd.)
Kitakyushu, Fukuoka, Japan
Precast concrete products manufacturer specializing in low-carbon formulations using industrial byproducts from local steel and waste sectors.
四国ブロック工業株式会社 (Shikoku Block Kogyo Co., Ltd.)
Kochi, Japan
Concrete secondary products manufacturer (drainage blocks, retaining walls) that launched low-carbon concrete lines using high blast furnace slag replacement.
株式会社赤城商会 (Akagi Shokai Co., Ltd.)
Shibukawa, Gunma, Japan
Concrete products manufacturer offering retaining walls, fences, and specialty items with proprietary low-carbon product brand REDECO2.
カーボン エクストラクト株式会社
Fukuoka, Japan (Kyushu University base)
Startup developing proprietary nano-membrane technology for small modular membrane-based direct air capture (m-DAC) systems.
Magnex Co., Ltd.
Tachikawa, Tokyo, Japan
Specialist manufacturer of custom SOFC and SOEC stacks, interconnects, and evaluation systems based on precision processing and surface treatment technologies originally developed for magnetic heads.
Porite Co., Ltd.
Ina, Saitama, Japan
Powder metallurgy specialist producing custom sintered components including metal interconnect plates and porous substrates for SOFC/SOEC applications.
株式会社 naturenix (formerly Naturanics)
Tokyo, Japan (Otemachi)
SME startup specializing in rapid-charge portable and mobility battery systems using Toshiba SCiB technology, with BaaS models for ASEAN and disaster resilience.
日伸工業株式会社 (Nisshin Kogyo Co., Ltd.)
Shiga, Japan (Otsu)
SME precision metal stamping specialist producing complex 3D burr-free terminal parts and components for automotive lithium-ion batteries.
Neftec Co., Ltd.
Kawaguchi, Saitama, Japan
Specialist manufacturer of short-fiber carbon/carbon (C/C) composites using proprietary Pre-Mold (PM) method for high-temperature applications.
TIP composite Co., Ltd.
Matsumoto, Nagano, Japan
Specialist manufacturer of CFRP, GFRP, CFRTP and C/C composite products and parts for aerospace, vehicles, robotics and medical equipment.
合資会社ひまわり
Tochigi, Japan
Small partnership specializing in custom FRP and CFRP pipes and rods via sheet winding method for high fiber volume fraction applications.
太平株式会社
Toyama, Japan
SME plastics manufacturer producing proprietary carbon fiber composite 'Taikaguraito' and FRP functional parts via multiple molding methods.
株式会社イハラ合成
Nagoya, Japan
Plastic recycling SME developing and patenting carbon fiber reinforced thermoplastic (CFRTP) extrusion materials and GFRP processing tools from recycled streams.
株式会社キクノ
Ehime, Japan (Matsuyama, Saijo, Ozu)
Regional concrete products and ready-mix concrete manufacturer founded 1875, specializing in low-carbon concrete formulations using industrial by-products.
小倉セメント製品工業株式会社
Kitakyushu, Fukuoka, Japan
Precast concrete secondary products manufacturer offering COCOLOW low-carbon concrete line using industrial by-products.
Material Concept, Inc.
Sendai, Miyagi, Japan
Developer of copper paste technology as alternative to silver paste for electrodes and wiring in solar cells, semiconductors, sensors, and EV components.
Magnex Co., Ltd.
Tachikawa, Tokyo, Japan
Specialist manufacturer of custom SOFC/SOEC stacks and evaluation systems, leveraging precision machining and surface treatment technologies from magnetic head production.
KRI, Inc.
Kyoto, Japan
Contract research organization specializing in electrochemical device R&D and performance evaluation for hydrogen technologies including SOEC.
Tsubame BHB Co., Ltd.
Yokohama, Japan
Venture company developing small-scale distributed ammonia synthesis plants using electride catalysts for low-temperature, low-pressure operation.
Kasatani Co., Ltd.
Osaka, Japan
Precision metal and resin molder specializing in warm-press forming of CFRP/CFRTP combined with busbar insert molding for automotive and industrial components.
Sankyo Seisakusho Co., Ltd.
Chiba, Japan
Specialist in design, molding, machining and assembly of CFRP, GFRP and difficult-to-cut material components for functional and structural parts.
Kitagawa Seiki Co., Ltd.
Japan
Manufacturer of specialized press and laminating equipment for advanced materials including CFRP/CFRTP preform production.
Planet Savers株式会社
Bunkyo-ku, Tokyo, Japan
University of Tokyo spin-out developing zeolite-based sorbents and modular systems for direct air capture (DAC) of CO2.
株式会社グリーン・メタネーション研究所
Osaka, Japan
SME developing SOEC-based systems for decentralized green hydrogen production and e-methane synthesis.
新宮エネルギー株式会社
Japan
Renewable energy engineering firm developing SOEC hydrogen production and methanation systems in joint projects.
Sekisui Chemical Co., Ltd.
Osaka, Japan
Developer of film-type perovskite solar cells using roll-to-roll manufacturing process under SOLAFIL brand.
Choshu Industry Co., Ltd.
Yamaguchi, Japan
Solar module manufacturer pursuing mass-production technology for large-area tandem perovskite-silicon solar cells via NEDO project.
Ricoh Company, Ltd.
Tokyo, Japan
Developer of inkjet printing process for all functional layers of perovskite solar cells enabling high-productivity, vacuum-free, laser-free production.