Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827748 | Fuel cell and method for preparation thereof | Kiyoshi Yamaura, Minehisa Imazato, Nobuaki Sato, Kenji Katori, Katsuya Shirai +1 more | 2004-12-07 |
| 6745453 | Rim rolling method, preforming roller die used for the method, and method of manufacturing brake shoe | Shuji Kanemitsu | 2004-06-08 |