Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758597 | Bearing member and method for manufacturing the same and dynamic pressure bearing device | Takayuki Narita, Masayuki Ishikawa | 2004-07-06 |
| 6554476 | Dynamic pressure bearing device and method of manufacturing the same | Masayuki Ishikawa, Hiroshi Zenisawa | 2003-04-29 |
| 6155721 | Dynamic-pressure fluid bearing | Hironori Kurosawa, Tokuhisa Tsutsui, Yasushi Mizusaki, Masamichi Hayakawa | 2000-12-05 |
| 5763967 | Dynamic-pressure fluid bearing | Hironori Kurosawa, Tokuhisa Tsutsui, Yasushi Mizusaki | 1998-06-09 |
| 5599864 | Polyarylene sulfide resin composition and optical pick-up parts formed from the same | Shogo Ogawa, Hajime Hata, Ikuo Kasuga, Masamichi Hayakawa | 1997-02-04 |
| 5122896 | Electrochromic display device with the counter electrode being preliminarily held in reduced or oxidized state | Yasushi Mizusaki, Tokuhisa Tsutsui | 1992-06-16 |