Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D312435 | Steering wheel for agricultural machine | Hitoshi Oshima | 1990-11-27 |
| D306450 | Agricultural tractor cabin | Hiroyuki Miki | 1990-03-06 |
| D306301 | Agricultural tractor | Hiroyuki Miki | 1990-02-27 |
| D305236 | Agricultural tractor | Tetsuaki Hayashi | 1989-12-26 |
| D301224 | Steering wheel for agricultural machine | Hitoshi Oshima | 1989-05-23 |
| D301039 | Housing for an agricultural tractor | Seiichi Takahashi | 1989-05-09 |
| D297433 | Tractor | Shigeaki Okuyama, Norimi Nakamura, Osami Fujiwara, Kunisuke Nakamura | 1988-08-30 |
| D297239 | Agricultural tractor | Kenzo Ushiro | 1988-08-16 |
| D297142 | Cab for an agricultural tractor | Kenichi Sato | 1988-08-09 |
| 4669565 | Agricultural tractor with a driver's cabin | Hiroyuki Miki, Yasuo Nakata, Kazuo Hirata, Seiichi Ishiizumi | 1987-06-02 |
| D283135 | Agricultural tractor | Akira Teraoka, Tadashi Nakamura | 1986-03-25 |
| D282849 | Agricultural tractor | — | 1986-03-04 |
| D258824 | Agricultural tractor | — | 1981-04-07 |
| D258509 | Tractor | — | 1981-03-10 |