Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775207 | Device for driving optical system | Nobuo Takeshita | 2004-08-10 |
| 6687062 | Objective lens-driving apparatus | Keiji Nakamura | 2004-02-03 |
| 5218597 | Optical reading and writing device | — | 1993-06-08 |