Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851328 | Control apparatus for transmission | Susumu Umemoto, Tetsuo Yamaguchi, Hidetoshi Hana, Isamu Kawai, Takashi YASUMI +1 more | 2005-02-08 |
| 5429005 | Transmission system for transmitting engine drive in varied speeds to drive wheels of a working vehicle | Takeshi Ura, Shigekazu Hasegawa | 1995-07-04 |
| 5407042 | Propelling transmission structure for a working vehicle | Takeshi Ura, Shigekazu Hasegawa | 1995-04-18 |
| 5341893 | Four wheel drive working vehicle having transmission clutches separately operable for driving right and left rear wheels | Yoshimi Oota, Shigekazu Hasegawa | 1994-08-30 |
| 5109964 | Conical roller type clutch apparatus | Yoshimi Oota, Shigekazu Hasegawa | 1992-05-05 |
| 5040650 | Power transmission | Yoshimi Oota | 1991-08-20 |
| 5024306 | Propelling drive control apparatus for working vehicle | Takashi Yoshii, Toshihiko Takemura, Akio Hattori | 1991-06-18 |
| 4974403 | Grass cutting system having a grass catcher | Shigekazu Hasegawa, Yoshimi Oota | 1990-12-04 |
| 4719812 | Transmission casing including a hydraulic clutch | Satoshi Machida, Shigekazu Hasegawa, Yoshimi Oota | 1988-01-19 |
| 4669559 | Four-wheel driven vehicles | — | 1987-06-02 |
| 4637269 | Drive apparatus | Shigekazu Hasegawa | 1987-01-20 |
| 4579015 | Speed changing apparatus for a working vehicle | — | 1986-04-01 |
| 4574910 | Transmission for agricultural tractors | Hiroyuki Miki, Mikio Kinoshita | 1986-03-11 |