Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778476 | Information playback apparatus | Masayuki Arai | 2004-08-17 |
| 5548569 | Tracking traverse control circuit for head unit of disc player | Kazutoshi Shimizume, Mamoru Akita | 1996-08-20 |
| 5214850 | Method of making a cage for use in a roller bearing | Nobutsuna Motohashi, Shiro Masuda | 1993-06-01 |
| 5096311 | Cage for use in a roller bearing and method of making the same | Nobutsuna Motohashi, Shiro Masuda | 1992-03-17 |