Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7344203 | Master cylinder | Kaoru Tsubouchi, Yoji Inoue, Koji Suzuki | 2008-03-18 |
| 7104059 | Master cylinder | Kaoru Tsubouchi, Koji Suzuki | 2006-09-12 |
| 7073333 | Master cylinder | Kaoru Tsubouchi, Hideaki Iijima | 2006-07-11 |
| 7055322 | Master cylinder | Atsushi Yasuda, Hideaki Iijima, Toshiharu Okuda, Kaoru Tsubouchi, Koji Suzuki | 2006-06-06 |
| 7032380 | Master cylinder | Kaoru Tsubouchi, Koji Suzuki | 2006-04-25 |
| 7013643 | Master cylinder | Kaoru Tsubouchi | 2006-03-21 |
| 6955047 | Master cylinder | Atsushi Yasuda | 2005-10-18 |
| 6907731 | Master cylinder apparatus | Tomoo Ogura | 2005-06-21 |