Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209672 | Valve device | Kousei Takagi, Tadashi IKEMOTO | 2025-01-28 |
| 11608903 | Valve device | Yoshiaki Yamamoto, Shinichi Yokoyama, Yuuji Nakano, Ryo Sano | 2023-03-21 |
| 11079028 | Valve device | Koji Hashimoto, Ryo Sano | 2021-08-03 |
| 11067181 | Valve device | Kentaro YUTANI, Takumi Kataoka | 2021-07-20 |
| 11067180 | Valve device | Yoshiaki Yamamoto, Shinichi Yokoyama, Yuuji Nakano, Ryo Sano | 2021-07-20 |
| 10808848 | Valve device | Yoshiaki Yamamoto, Shinichi Yokoyama, Yuuji Nakano, Ryo Sano | 2020-10-20 |
| 10443745 | Valve device | Kentaro YUTANI, Takumi Kataoka | 2019-10-15 |
| 10066751 | Valve device | Yoshiaki Yamamoto, Shinichi Yokoyama, Yuuji Nakano, Ryo Sano | 2018-09-04 |
| 8689934 | Sound absorbing structure | Yoshitaka Nishio | 2014-04-08 |
| 7562646 | Air-intake device for internal combustion engine having noise reduction mechanism | Kazuhiro Hayashi, Naoya Katoh, Makoto Otsubo | 2009-07-21 |
| 7474026 | Electromagnetic drive device | Hideki Okuda, Sanemasa Kawabata | 2009-01-06 |
| 7325563 | Electromagnetic valve | — | 2008-02-05 |