Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671376 | Automatic differential locking system for a working vehicle | Katsumi Ito, Shigeaki Okuyama, Norimi Nakamura, Yoshizo Kuroiwa, Kouji Fujiwara +3 more | 1987-06-09 |
| 4519193 | Fruit harvesting apparatus with television camera and monitor | Shigeaki Okuyama, Hiroshi Suzuki | 1985-05-28 |
| 4351196 | Multistage change-speed apparatus for a tractor | Kazuo Toyokuni | 1982-09-28 |