Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140471 | Apparatus for driving objective lens | — | 1992-08-18 |
| 4948230 | Objective lens driving apparatus | Akira Yamada, Katsutoshi Wada, Hideo Yamasaki | 1990-08-14 |
| 4771348 | Carriage moving apparatus for a magnetic disk | — | 1988-09-13 |
| 4759005 | Optical head apparatus for recording and reproducing data on a reording medium | — | 1988-07-19 |
| 4679903 | Objective lens driving device | Kenya Goto, Akira Yamada, Shoji Watanabe | 1987-07-14 |
| 4623947 | Magnetic head device | — | 1986-11-18 |
| 4616355 | Optical head device | — | 1986-10-07 |