Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621872 | Wheel tread adjusting apparatus | Tomeo Umemoto | 1986-11-11 |
| 4528872 | Change-speed apparatus in a tractor | Tomeo Umemoto | 1985-07-16 |
| 4279324 | Operating lever assembly for farm tractors | Tuginobu Ujita, Eisaku Shinohara | 1981-07-21 |