Toyo Seimitsu Kogyo Co., Ltd.
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.
AI-assisted directory profile. Export readiness, certifications, technical claims and partnership preferences are unverified unless individually supported and reviewed. Listing does not establish supplier endorsement or willingness to enter an NDA. Confirm with the original sources and supplier before procurement or citation.
Core capabilities
- Precision photo-chemical etching of stainless steel and specialty alloys
- Thick-plate etching (1.0 mmt+) for SOFC interconnectors and separators
- Custom flow-channel layout etching for fuel cell gas distribution plates
- Laser cutting and mechanical processing
- Fabrication of precision carrier tools and transport jigs for semiconductor manufacturing
- Prototype-to-mass-production etching service
Related capability assets
No linked assets yet.
Source & provenance
Translation review status: unreviewed. Publication does not establish technical verification or supplier endorsement.
Record updated: .
- 燃料電池用部品（インターコネクタ/セパレーター） | 東洋精密工業株式会社
https://www.toyo-ppm.co.jp/works/4344/
Primary-source candidate; evidence review: pending.
Source accessed / recorded (collector timestamp): .
Source publication date: Not recorded.
- 金属エッチング | 東洋精密工業株式会社
https://www.toyo-ppm.co.jp/works/works_category/case_etching/
Primary-source candidate; evidence review: pending.
Source accessed / recorded (collector timestamp): .
Source publication date: Not recorded.
- 精密加工で絶えず新しい技術に挑戦 - 東洋精密工業株式会社
https://nanto-consulting.co.jp/nantoeri/pdf/houmon/200402.pdf
Supporting / discovery source; evidence review: pending.
Source accessed / recorded (collector timestamp): .
Source publication date: Not recorded.
- US7070580B2 - Linear device (assignee: 東洋精密工業株式会社)
https://patents.google.com/patent/US7070580B2/en
Supporting / discovery source; evidence review: pending.
Source accessed / recorded (collector timestamp): .
Source publication date: Not recorded.
Collector timestamps record when a source was stored, not an independent verification date. Source links provide context; they do not validate every specification, readiness label, certification, or proposed partnership route.