Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975533 | Negative-pressure-type booster | — | 2018-05-22 |
| 7255408 | Vacuum booster | Akihiko Miwa, Kaoru Tsubouchi, Nobuyuki Hirota | 2007-08-14 |
| 7080588 | Negative pressure type booster | Kaoru Tsubouchi, Yoji Inoue, Yoko Takatori | 2006-07-25 |
| 7014276 | Vacuum booster | Akihiko Miwa, Kaoru Tsubouchi, Nobuyuki Hirota | 2006-03-21 |
| 6955407 | Negative pressure type brake hydraulic pressure generating device | Kaoru Tsubouchi, Akihiko Miwa, Koichi Hashida, Haruo Arakawa | 2005-10-18 |