Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480828 | Information recording medium, apparatus and method for performing after-recording on the recording medium | Tomoyuki Okada, Kaoru Murase, Kazuhiro Tsuga | 2002-11-12 |
| 6470140 | Optical disc optical disc recording and reproducing apparatus, and optical disc recording and reproducing method | Tomoyuki Okada, Kaoru Murase, Kazuhiro Tsuga | 2002-10-22 |
| 6424797 | Optical disc, recording device and reproducing device | Kaoru Murase, Tomoyuki Okada, Kazuhiro Tsuga | 2002-07-23 |
| 6400893 | Optical disc, recording device and reproducing device | Kaoru Murase, Tomoyuki Okada, Kazuhiro Tsuga | 2002-06-04 |
| 6377747 | Optical disc, recording device and reproducing device | Kaoru Murase, Tomoyuki Okada, Kazuhiro Tsuga | 2002-04-23 |
| 6374037 | Information recording medium apparatus and method for performing after-recording on the recording medium | Tomoyuki Okada, Kaoru Murase, Kazuhiro Tsuga | 2002-04-16 |
| 6285826 | Optical disc recording device and reproducing device | Kaoru Murase, Tomoyuki Okada, Kazuhiro Tsuga | 2001-09-04 |