Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773843 | Portable fuel cell stack | Koji Kitagawa, Eiji Kato, Yukio Naruse, Yasuo Ido | 2004-08-10 |
| 6692548 | Copper-based sliding material, method of manufacturing the same, and sliding bearing | Kenji Sakai, Naohisa Kawakami, Satoru Kurimoto, Koichi Yamamoto, Takayuki Shibayama | 2004-02-17 |