Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688262 | Engine cooling system | Daisuke Yamamoto, Shigetaka Yoshikawa, Yoshikazu Shinpo, Isao Takagi | 2004-02-10 |
| 6684826 | Engine cooling apparatus | Shigetaka Yoshikawa, Yoshikazu Shinpo, Isao Takagi, Daisuke Yamamoto | 2004-02-03 |
| 6679201 | Engine cooling system | Daisuke Yamamoto, Hiroshi Suwahara | 2004-01-20 |