Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919441 | Vehicle with steering-controlled torsion bar stabilizer | Gregory J. Marier, Tetsuo Imai | 1990-04-24 |
| 4815759 | Vehicle with steering-controlled torsion bar stabilizer | Tetsuo Imai, Gregory J. Marien | 1989-03-28 |
| 4804198 | Vehicle with steering-controlled torsion bar stabilizer | Tetsuo Imai, Gregory J. Marier | 1989-02-14 |
| 4592441 | Three-wheeled motor vehicle with pivotable frame | Gregory J. Marier | 1986-06-03 |
| 4509766 | Anti-rolling system for snowmobile of small size | Toshihiro Yasui | 1985-04-09 |
| 4491333 | Ski for snowmobile | — | 1985-01-01 |
| 4489954 | Anti-rolling system for snowmobile of small size | Toshihiro Yasui | 1984-12-25 |
| 4462480 | Snowmobile rear suspension unit | Toshihiro Yasui | 1984-07-31 |
| 4407386 | Snowmobile suspension unit | Toshihiro Yasui | 1983-10-04 |
| 4372567 | Anti-rolling system for snowmobile of small size | Toshihiro Yasui | 1983-02-08 |