Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657944 | Objective lens driving device | Hiroshi Yamamoto | 2003-12-02 |
| 6587284 | Objective lens driving apparatus | Takeo Santo, Hiroshi Yamamoto, Kanji Wakabayashi | 2003-07-01 |
| 6549346 | Assembled lens, optical head and optical recordable player with them | Hidenori Wada, Keiichi Matsuzaki, Seiji Nishino, Tetsuo Saimi, Kenichi Kasazumi | 2003-04-15 |