Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700846 | Information recording and reproducing apparatus and disk discrimination method thereof | Tokinori Furuichi, Yuji Hirai, Hiroyuki Hayashi, Gohshi Jin, Kazuhiro Oda +1 more | 2004-03-02 |
| 6510115 | Information recording and reproducing apparatus and disk discrimination method thereof | Tokinori Furuichi, Yuji Hirai, Hiroyuki Hayashi, Gohshi Jin, Kazuhiro Oda +1 more | 2003-01-21 |
| 5392413 | Record medium reproducing device | Tadashi Tanase, Shigehiko Takeshita, Hiroyuki Hayashi, Kazuhiko Ono | 1995-02-21 |