Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834036 | Optical head for a plurality of types of information recording media | Teruhiro Shiono, Keiichi Matsuzaki | 2004-12-21 |
| 6806964 | Optical recording and/or reproduction apparatus, tracking method, and optical recording medium | Hiroaki Yamamoto, Teruhiro Shiono | 2004-10-19 |
| 6714498 | Information recording/reproducing apparatus | Yoshiaki Komma, Shin-ichi Tanaka | 2004-03-30 |