Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773224 | Portless type master cylinder device with non return valve and restricted passage in parallel between pressure chamber and fluid reservoir | Shigeru Sakamoto, Kenji Shirai, Masaaki Okuyama | 1988-09-27 |