Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535979 | Fiber material for cement reinforcement | Shuhei Okamura, Shintaro Shimada, Takeya Dei | 2022-12-27 |
| 6823040 | X-ray inspection method and apparatus used for the same | — | 2004-11-23 |
| 4856611 | Propelling transmission system of tractor | Hajime Shikiya | 1989-08-15 |
| 4723623 | Four wheel drive vehicle | Takashi Katayama, Katsumi Yanagihara | 1988-02-09 |
| D283135 | Agricultural tractor | Genichi Funabashi, Tadashi Nakamura | 1986-03-25 |
| 4418783 | Tractor | Tadashi Nakamura | 1983-12-06 |
| 4268048 | Fuel tank mounting structure for a tractor | Mitsugu Nakada | 1981-05-19 |