Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270277 | Optical disk device and optical disk recording method | Shuichi Minamiguchi, Satoru Moriya | 2012-09-18 |
| 8120999 | Optical disc apparatus and defocus correcting method | Yoshinori Ishikawa | 2012-02-21 |
| 8045435 | Optical disc apparatus and method for writing data using laser beam | Mayumi Sasaki | 2011-10-25 |
| 6700846 | Information recording and reproducing apparatus and disk discrimination method thereof | Tokinori Furuichi, Yuji Hirai, Hiroyuki Hayashi, Kazuhiro Oda, Naomi Nomura +1 more | 2004-03-02 |
| 6510115 | Information recording and reproducing apparatus and disk discrimination method thereof | Tokinori Furuichi, Yuji Hirai, Hiroyuki Hayashi, Kazuhiro Oda, Naomi Nomura +1 more | 2003-01-21 |