Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337543 | Lawn mower for use both as riding and walking operator type | Junichi Kitamura, Yoshio Tomiyama | 1994-08-16 |
| 5155985 | Working vehicle controllable by walking operator and having independently driven right and left ground wheels | Hiroshi Oshima, Junichi Kitamura, Yoshio Tomiyama, Hideo Okura | 1992-10-20 |
| 5138824 | Safety system for a lawn mower | Hiroshi Oshima, Hideo Ohkura, Yoshio Tomiyama | 1992-08-18 |
| D319447 | Lawn mower | Hiroshi Oshima, Jinnosuke Takakura, Takao Katayama, Shigeru Takehana | 1991-08-27 |
| 5002519 | Dual tension clutch | Hiroshi Oshima, Hideo Okura | 1991-03-26 |
| D308681 | Lawn mower | Takao Katayama, Hiroshi Oshima, Nobuhide Yanagawa, Hisato Katoh | 1990-06-19 |
| 4882897 | Clutch control structure for a walking operator type lawn mower | Hiroshi Oshima, Takao Katayama, Jinnosuke Takakura, Hisatake Fujioka | 1989-11-28 |
| 4747256 | Lever mounting structure for lawn mower | — | 1988-05-31 |
| 4321783 | Mid-mounted mower | Masami Kawasaki | 1982-03-30 |
| 4291522 | Mower mounted on vehicle | Masami Kawasaki | 1981-09-29 |