Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460840 | Helical compression spring for a vehicle suspension | Toshiyuki Imaizumi, Shuji Kamiya, Takashi Gotoh, Koichi Irie | 2002-10-08 |
| 6328290 | Helical compression spring for a vehicle suspension | Toshiyuki Imaizumi, Shuji Kamiya, Takashi Gotoh, Koichi Irie | 2001-12-11 |
| 6260836 | Suspension system for vehicle | Takashi Goto | 2001-07-17 |
| 6199882 | Vehicle wheel suspension | Toshiyuki Imaizumi, Shuji Kamiya, Takashi Gotoh, Koichi Irie | 2001-03-13 |
| 4278717 | Heat resistant cushion | — | 1981-07-14 |
| 4248833 | Exhaust gas purifier system for internal combustion engine | — | 1981-02-03 |