Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556961 | Control valve | Toshihiro Andoh, Shigeru Abe | 2017-01-31 |
| 9551518 | Automotive air conditioner and expansion valve | Satoshi Hayakawa, Akihiko Yamamoto, Ryouta Sugamura, Masaaki Tonegawa, Shinji Saeki +2 more | 2017-01-24 |
| 9523441 | Electromagnetic valve | Shigeru Abe, Toshihiro Andoh, Eiji Nemoto | 2016-12-20 |
| 9518663 | Electromagnetic valve | Toshihiro Andoh, Shigeru Abe | 2016-12-13 |
| 6957663 | Solenoid control valve | Hisatoshi Hirota, Yuusuke Inoue, Tokumi Tsugawa | 2005-10-25 |
| 6823897 | Four-way switching valve | Hisatoshi Hirota, Katsumi Koyama | 2004-11-30 |
| 6783110 | Proportional solenoid valve | Hisatoshi Hirota, Tokumi Tsugawa, Katsumi Koyama, Yuusuke Inoue | 2004-08-31 |
| 6296194 | Expansion valve | Hisatoshi Hirota, Shinji Saeki, Isao Sendo, Masaichi Kawahata, Takashi Kobayashi | 2001-10-02 |