Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572994 | Polymer electrolyte fuel cell system | Soichiro Shimotori, Kazuo Saito, Yasuji Ogami, Atsushi Ohma, Atsuo Sonai +1 more | 2003-06-03 |
| 6524534 | Apparatus for removing flammable gas | Mika Tahara, Yasuo Osawa, Yuji Yamamoto, Kenji Arai | 2003-02-25 |