Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12046779 | Fuel cell power generation system for treating exhaust fuel gas | Norihisa Matake, Yasushi Iwai, Hiroyuki Ozawa, Yoshiki Kato | 2024-07-23 |
| 6562505 | Sealing structure of cell tube | Hiroshi Tsukuda, Yoshiharu Watanabe, Tohru Houjyou | 2003-05-13 |
| 6534211 | Fuel cell having an air electrode with decreased shrinkage and increased conductivity | Hiroshi Tsukuda, Yoshiharu Watanabe, Tohru Houjyou | 2003-03-18 |
| 6479183 | Base material for a fuel battery | Hiroshi Tsukuda, Toshiro Nishi, Toru Houjyou | 2002-11-12 |
| 6379832 | Base tube for fuel cell and material for base tube | Hiroshi Tsukuda, Yoshiharu Watanabe, Akihiro Yamashita, Kenichiro Kosaka, Toru Houjyou | 2002-04-30 |
| 6312847 | Base tube for fuel cell | Hiroshi Tsukuda, Akihiro Yamashita, Kenichiro Kosaka, Toru Houjyou | 2001-11-06 |
| 6207314 | Base material for a fuel battery | Hiroshi Tsukuda, Toshiro Nishi, Toru Houjyou | 2001-03-27 |