Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319094 | Tire | Tomohisa Kuriyama, Ryota Ikeda, Chisato Omori, Kohei Miyoshi | 2025-06-03 |
| 11667156 | Tire | Hiroshi Kikuchi | 2023-06-06 |
| 9286880 | Masking sound outputting device and masking sound outputting method | Eiko Kobayashi | 2016-03-15 |
| 6994070 | Portable air blowing working machine | Toshio Taomo, Tadashi Kamoshita, Giichi Iida | 2006-02-07 |
| 6391073 | Air cleaner | — | 2002-05-21 |
| 5727506 | Two-stroke internal combustion engine | Katsuya Tajima, Hiroji Kawasaki | 1998-03-17 |
| 5544630 | Alarm which may be used at the time of starting of engine for working machine | — | 1996-08-13 |
| 5526777 | Air inlet apparatus for internal combustion engine | Toshio Taomo, Yoshiaki Nagao, Hiroji Kawasaki, Tsutomu Ogata | 1996-06-18 |
| D325155 | Power chainsaw motor housing | Akira Nagashima, Kazumi Okubo, Akira Sato | 1992-04-07 |
| 5029561 | Chain saw | — | 1991-07-09 |
| 5014835 | Power work-machine | Akira Nagashima | 1991-05-14 |
| 4979306 | Power working machine | Akira Nagashima | 1990-12-25 |
| 4936271 | Portable powered working machine | Akira Nagashima, Tsutomu Ogata | 1990-06-26 |
| 4888034 | Choke device for internal combustion engine | — | 1989-12-19 |