Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529457 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2003-03-04 |
| 6526012 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2003-02-25 |
| 6526013 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2003-02-25 |
| 6487151 | Optical information recording and reproducing system with overwrite capability and recording medium for use therewith | Ken'ichi Nagata, Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira | 2002-11-26 |
| 6483788 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2002-11-19 |
| 6480449 | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | Naoyasu Miyagawa | 2002-11-12 |
| 6469964 | Optical recording medium and recording/reproduction method and apparatus therefor | Tetsuya Akiyama, Kenichi Nishiuchi, Shigeaki Furukawa, Hiroyuki Yamaguchi | 2002-10-22 |
| 6414922 | OPTICAL RECORDING MEDIUM HAVING AN AREA FOR RECORDING A PLURALITY OF RECORDING/REPRODUCTION CONDITIONS TO BE USED IN RECORDING/REPRODUCTION APPARATUSES AND RECORDING/REPRODUCTION METHOD AND APPARATUS THEREFORE | Tetsuya Akiyama, Kenichi Nishiuchi, Shigeaki Furukawa, Hiroyuki Yamaguchi | 2002-07-02 |
| 6411575 | OPTICAL RECORDING MEDIUM HAVING AN AREA FOR RECORDING A PLURALITY OF RECORDING/REPRODUCTION CONDITIONS TO BE USED IN RECORDING/REPRODUCTION APPARATUSES AND RECORDING/REPRODUCTION METHOD AND APPARATUS THEREFOR | Tetsuya Akiyama, Kenichi Nishiuchi, Shigeaki Furukawa, Hiroyuki Yamaguchi | 2002-06-25 |
| 6163514 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-12-19 |
| 6122236 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-09-19 |
| 6115343 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-09-05 |
| 6111836 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-08-29 |
| 6108287 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-08-22 |
| 6108288 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-08-22 |
| 6108290 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-08-22 |
| 6104683 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-08-15 |
| 6097682 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-08-01 |
| 6088316 | Method and apparatus for writing and reading optical recording medium | Kenichi Nishiuchi | 2000-07-11 |
| 6031800 | Method for writing and reading optical recording medium with varying writing start points | Kenichi Nishiuchi | 2000-02-29 |
| 6031814 | Optical disk with stop-pulse generating means in a guide groove | Ken'ichi Nagata, Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira | 2000-02-29 |