Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479183 | Base material for a fuel battery | Hiroshi Tsukuda, Toshiro Nishi, Nagao Hisatome | 2002-11-12 |
| 6379832 | Base tube for fuel cell and material for base tube | Hiroshi Tsukuda, Nagao Hisatome, Yoshiharu Watanabe, Akihiro Yamashita, Kenichiro Kosaka | 2002-04-30 |
| 6312847 | Base tube for fuel cell | Hiroshi Tsukuda, Akihiro Yamashita, Kenichiro Kosaka, Nagao Hisatome | 2001-11-06 |
| 6207314 | Base material for a fuel battery | Hiroshi Tsukuda, Toshiro Nishi, Nagao Hisatome | 2001-03-27 |