Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778475 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup for detecting at least three light beams separated from one or more light sources | Kunikazu Ohnishi, Kenichi Shimada, Masayuki Inoue, Shinji Fujita | 2004-08-17 |
| 6680883 | Objective lens driving device and optical disc apparatus using the same | Shinro Inui, Naohiko Otoshi, Michio Miura, Naomitsu Kuroda, Ryuichiro Mizuno | 2004-01-20 |