Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700846 | Information recording and reproducing apparatus and disk discrimination method thereof | Yuji Hirai, Hiroyuki Hayashi, Gohshi Jin, Kazuhiro Oda, Naomi Nomura +1 more | 2004-03-02 |