Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520132 | Cup seal and master cylinder employing the same | — | 2009-04-21 |
| 6637201 | Master cylinder | Junichi Hirayama, Kunihiro Chiba | 2003-10-28 |
| 6438955 | Master cylinder | Riichirou Sugimoto | 2002-08-27 |