Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4781024 | Static cup seal assembly for master cylinder end | — | 1988-11-01 |
| 4736768 | Relief valve of hydraulic devices | Kaoru Tsubouchi, Chiaki Ochiai, Genji Mizuno, Kenji Shirai, Shigeru Sakamoto | 1988-04-12 |
| 4707989 | Master cylinder | Shinji Sakata, Chiaki Ochiai, Yoichi Furuta, Kaoru Tsubouchi | 1987-11-24 |
| 4544075 | Hydraulic pressure cylinder with integrated reservoir | — | 1985-10-01 |
| 4528895 | Piston for cylinder device | — | 1985-07-16 |
| 4505112 | Master cylinder | — | 1985-03-19 |
| 4353479 | Master cylinder reservoir and cover fastening means | Akira Funabashi | 1982-10-12 |
| 4345771 | Sealing cup for hydraulic piston-cylinder device | Junzo Hasegawa, Masatoshi Yamada, Eiichi Yasuda | 1982-08-24 |
| 4189160 | Sealing cup | Junzo Hasegawa, Masatoshi Yamada, Eiichi Yasuda | 1980-02-19 |