Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172714 | Speed changing transmission apparatus | Yoshiyuki Katayama, Yoshihiro Ueda, Shinichi Morita, Shinichi Kawabata, Shigeki Hayashi +3 more | 2012-05-08 |
| 8096912 | Speed change transmission device | Minoru Hiraoka, Yoshiyuki Katayama | 2012-01-17 |
| 7887449 | Speed-change transmission apparatus | Yoshiyuki Katayama, Yoshihiro Ueda, Minoru Hiraoka | 2011-02-15 |
| 7661254 | Lawn mower having selectively drivable wheels | — | 2010-02-16 |
| 7240759 | Transmission case housing a transmission mechanism for transmitting power to dirigible wheels | Katsuhiko Uemura | 2007-07-10 |
| 6971469 | Self-propelled working vehicle | Hideya Umemoto, Takeshi Komorida, Takashi Fujii, Koji Fujiwara, Hiroyuki Tada | 2005-12-06 |
| 6931827 | Grass collecting apparatus and a lawn mower having such a grass collecting apparatus | Takeshi Komorida, Nobuyuki Yamashita | 2005-08-23 |
| 6874305 | Lawn mower having selectively drivable wheels | — | 2005-04-05 |
| 6840029 | Lawn mower having a displaceable grass catcher | — | 2005-01-11 |
| 6688091 | Riding lawn mower | — | 2004-02-10 |
| 6672043 | Lawn mower for directing grass clippings to a grass catcher | Takashi Shibata, Takashi Fujii, Hideya Umemoto, Takeshi Komorida, Hiroyuki Tada +1 more | 2004-01-06 |
| 6588299 | Transmission for a working vehicle | Takeshi Komorida, Nobuyuki Yamashita | 2003-07-08 |
| 6513312 | Mower with a grass catcher | Nobuyuki Yamashita, Takashi Fujii, Kazuaki Kurohara, Shinichiro Saji | 2003-02-04 |
| 6454041 | Working vehicle with a PTO apparatus | Nobuyuki Yamashita, Masatake Murakawa | 2002-09-24 |
| D457898 | “High-Dump” grass collector for lawn tractor | Takashi Fujii, Nobuyuki Yamashita | 2002-05-28 |
| 5123805 | Frame structure for attaching a working implement | Taichi Fujiwara | 1992-06-23 |
| 4977760 | Speed control system for a working vehicle | Mikio Ishida | 1990-12-18 |
| 4691802 | Agricultural tractor | Seiichi Ishiizumi, Mikio Ishida | 1987-09-08 |
| 4674287 | Running apparatus for an agricultural vehicle | Seiichi Ishiizumi, Mikio Ishida, Hiroshi Itatani | 1987-06-23 |
| 4608879 | Change speed operating apparatus for a tractor | Mikio Ishida, Hagime Nakamura, Kenzo Ushiro | 1986-09-02 |