Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560104 | Coolant temperature control system of internal combustion engine | Shinichi Nagumo, Yoshifumi Hase | 1985-12-24 |
| 4441468 | Secondary air supply system | Kenji Yoneda, Yasuo Takagi, Yuji Ushijima | 1984-04-10 |
| 4319549 | Secondary air supply system | Kenji Yoneda, Yasuo Takagi, Yuji Ushijima | 1982-03-16 |