Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276272 | Diaphragm pump | Yushi MARUYAMA | 2025-04-15 |
| 12012914 | Fuel pressurization device | Koichi Shinotsuka, Yushi MARUYAMA | 2024-06-18 |
| 10480427 | Choke valve structure | Yoichi Ishikawa, Terutaka Yasuda | 2019-11-19 |
| 8549761 | Chain saw | Minoru Araki, Katsutoshi Inagaki, Eiji Matsuoka | 2013-10-08 |
| 6688538 | Irrigation apparatus | Terutaka Yasuda | 2004-02-10 |
| 6679216 | Starters for internal combustion engine | Terutaka Yasuda | 2004-01-20 |
| 6591793 | Two-cycle engine | Terutaka Yasuda | 2003-07-15 |
| 6591792 | Two-cycle engine | Terutaka Yasuda | 2003-07-15 |
| 6367431 | Two-stroke cycle engine | Terutaka Yasuda | 2002-04-09 |
| 6173683 | Two-stroke cycle engine | Terutaka Yasuda | 2001-01-16 |
| D353382 | Internal combustion engine | Katsumi Kiyooka, Kaori Katoh | 1994-12-13 |