Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011223 | Remaining hydrogen sensor | Yasuhiro Fujita, Yoshinori Kawaharazaki, Yoshihiko Hayashi, Takashi Iwamoto | 2011-09-06 |
| 6662860 | Heat transfer pipe for liquid medium having grooved inner surface and heat exchanger employing the same | Takashi Iwamoto, Shinichi Ono, Yukio Sato, Masayuki Kawai, Masashi Tomiie +2 more | 2003-12-16 |