Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033594 | Change-speed construction for propelling system of work vehicle | Arinobu Ishida, Toshihiko Kusano, Naotaka Kanai, Toshiyuki Matsumoto, Shinichi Takeda +1 more | 1991-07-23 |
| 5012907 | Transmission for separately drivable right and left wheels | Hisatake Fujioka, Nobuhide Yanagawa | 1991-05-07 |
| D297238 | Power tiller | Arinobu Ishida | 1988-08-16 |
| 4660668 | Self-propelled agricultural machine | Mitsuaki Sawai, Hisatake Fujioka, Nobumasa Kawashima, Nobuhide Yanagawa | 1987-04-28 |