Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8100313 | Source blank for stainless steel three-ply clad sheet, production methods of clad steel plate and sheet for solid polymer type fuel cell separator, and solid polymer type fuel cell separator | Motomichi Kanbe, Kunihiko Ushio, Hideaki Yamamoto, Yoshio Tarutani, Akira Seki | 2012-01-24 |
| 7170073 | Stainless steel product containing B and method for production thereof | Kazuhiro Ishida, Kazuhiro Ogawa, Hideaki Yamamoto, Hideo Morisaki | 2007-01-30 |