Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435003 | Negative pressure-type booster device | Minoru Watanabe, Yu Furuta, Yoji Inoue, Eri Tanimoto | 2019-10-08 |
| 7255408 | Vacuum booster | Akihiko Miwa, Kaoru Tsubouchi, Tomoyasu Sakai | 2007-08-14 |
| 7089846 | Negative pressure type booster device | Kaoru Tsubouchi, Kenichi Kobayashi | 2006-08-15 |
| 7014276 | Vacuum booster | Akihiko Miwa, Kaoru Tsubouchi, Tomoyasu Sakai | 2006-03-21 |
| 6755116 | Negative pressure type booster | Kaoru Tsubouchi, Akihiko Miwa | 2004-06-29 |
| 6397724 | Negative pressure type servo unit | Kaoru Tsubouchi, Akihiko Miwa | 2002-06-04 |
| 6212992 | Vacuum type brake booster for vehicle | Kaoru Tsubouchi, Akihiko Miwa, Minoru Watanabe, Yoichi Terasaki | 2001-04-10 |
| 6065388 | Vacuum type brake booster for vehicle | Kaoru Tsubouchi, Akihiko Miwa, Minoru Watanabe, Yoichi Terasaki | 2000-05-23 |