Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12201052 | Work machine with a rotary member and torque control therefor | Takayuki Enomoto, Takeshi Yamaji, Yuta MIZUNO, Hiroya Takahashi, Fumio Minami | 2025-01-21 |
| 11993246 | Work machine | Koji Kuriyagawa, Nobuo Yamazaki | 2024-05-28 |
| 11581603 | Electric power equipment | Taichi Kubota, Tatsuya Yamazaki, Kunihiko Ishizuka, Keisuke Muraoka, Makoto Uchimi | 2023-02-14 |
| 10517208 | Mower provided with center pivot axle | Koji Kuriyagawa, Hajime Yoshimura, Shota Tanabe | 2019-12-31 |
| 10442461 | Power equipment provided with center pivot axle | Koji Kuriyagawa, Hajime Yoshimura, Shota Tanabe | 2019-10-15 |
| 10390482 | Power equipment with cylinder deactivation engine | Koji Kuriyagawa, Hajime Yoshimura, Shota Tanabe, Tomohiro Miyauchi | 2019-08-27 |
| 10306828 | Lawn mower powered by cylinder deactivation engine | Koji Kuriyagawa, Hajime Yoshimura, Shota Tanabe, Tomohiro Miyauchi | 2019-06-04 |
| 10219437 | Power equipment with cylinder deactivation engine | Koji Kuriyagawa, Hajime Yoshimura, Shota Tanabe, Tomohiro Miyauchi | 2019-03-05 |
| D842445 | Filter for an industrial dust collector | Tsuyoshi Matsui | 2019-03-05 |
| 8814615 | Outboard motor | Koji Kuriyagawa, Hikaru Ikeda | 2014-08-26 |
| 8142243 | Outboard engine unit | Shigekazu Sakata, Hiroshi Mizuguchi, Yoshio Ohtomo | 2012-03-27 |
| 7997016 | Self-propelled snow remover | Nobuo Yamazaki, Kenji Kuroiwa, Kiyomi Yanai, Yoshitaka Ohta, Toshiaki Kawakami +4 more | 2011-08-16 |
| 7993171 | Control apparatus for small boat | Naoki Hiroshima, Kentaro Furuya, Shinsaku Nakayama | 2011-08-09 |
| 7673402 | Self-propelled work machine | Tsutomu Wakitani, Toshiaki Kawakami | 2010-03-09 |
| 7584804 | Walk-behind electric working machine | Yasumi Fukuzumi, Jun Ito, Masayuki Sasaoka | 2009-09-08 |
| 7487608 | Walk-behind self-propelled snow removing machine | Nobuo Yamazaki, Kiyomi Yanai, Toshiaki Kawakami, Tsutomu Wakitani | 2009-02-10 |
| 7343994 | Working machine | Tsutomu Wakitani, Yoshihiko Yamagishi, Kenji Kuroiwa | 2008-03-18 |
| 7305778 | Self-propelled working machine | Tsutomu Wakitani, Toshiaki Kawakami | 2007-12-11 |
| 7267188 | Electric vehicle | Tsutomu Wakitani, Toshiaki Kawakami | 2007-09-11 |
| 7143835 | Walk-behind electric working machine | Yasumi Fukuzumi, Jun Ito, Masayuki Sasaoka | 2006-12-05 |
| 7116065 | Electric vehicle | Tsutomu Wakitani, Yoshihiko Yamagishi | 2006-10-03 |
| 7100312 | Working machine | Tsutomu Wakitani, Toshiaki Kawakami | 2006-09-05 |
| 6977473 | Travel control method of electric vehicle | Tsutomu Wakitani | 2005-12-20 |
| 6968265 | Travel control method of electric vehicle | Tsutomu Wakitani | 2005-11-22 |
| 6826895 | Electric lawn mower | Tetsuo Iida, Takao Kobayashi, Toshiaki Takizawa | 2004-12-07 |