Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747924 | Optical disk reproduction apparatus | — | 2004-06-08 |
| 6650484 | Zoom lens, and its manufacturing method | Yasuhisa Kitaoka | 2003-11-18 |
| 6381203 | Optical disk reproducing method and apparatus | — | 2002-04-30 |
| 6160772 | Tilt control device for an optical disk device | — | 2000-12-12 |