Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763799 | Internal combustion engine and control method of the same | Takekazu Ito, Tatsumasa Sugiyama, Yasuhiro Ohtsubo, Taro Aoyama, Jun Tahara +4 more | 2004-07-20 |
| 6722493 | Conveyor roller drive device and drive roller assembly | Kazuyoshi Umeda, Kiyoji Minegishi, Jun Tamenaga | 2004-04-20 |