Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060215 | Method and apparatus for leading-in focus servo by moving the objective lens toward the recording surface at two different speeds | Katsumi Kawamura, Takao Yamada | 1991-10-22 |
| 4927235 | Movable-member supporting apparatus | — | 1990-05-22 |
| 4561079 | Support structure of an optical part | — | 1985-12-24 |