Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384864 | Vacuum pressure proportional control valve | Yoshiyuki Yamada | 2022-07-12 |
| 9267614 | External seal structure of vacuum valve | Yoshiyuki Yamada | 2016-02-23 |
| 8794261 | Fluid control system and fluid control method | Masayuki Watanabe, Yoshiyuki Yamada | 2014-08-05 |
| 8525045 | Faraday cage and device having same | Chiseki Yamaguchi, Naoya Hamada, Takuo Wariishi, Tomohiro Kamitani, Naoki Moribe | 2013-09-03 |