Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406772 | Optical recording medium and method for making | Junji Tominaga, Isamu Kuribayashi, Makoto Takahashi | 2002-06-18 |
| 6329036 | Optical recording medium and use | Hajime Utsunomiya | 2001-12-11 |
| 6242157 | Optical recording medium and method for making | Junji Tominaga, Isamu Kuribayashi, Makoto Takahashi | 2001-06-05 |
| 6169722 | Phase change type optical recording medium having minute length recorded marks | Hajime Utsunomiya | 2001-01-02 |
| 6153355 | Optical recording medium and method for preparing the same | Makoto Takahashi, Isamu Kuribayashi | 2000-11-28 |
| 6154437 | Phase-change optical recording medium and its writing with high reliability after long period use and/or high environmental temperature storage | Hajime Utsunomiya, Tatsuya Kato | 2000-11-28 |
| 6125101 | Phase-change type optical recording medium having recording marks wider than a recording track | Hajime Utsunomiya | 2000-09-26 |
| 6111849 | Phase change optical recording medium, method of overwriting same and recording system for the overwriting | Jiro Yoshinari, Masanori Kosuda, Hiroshi Shingai | 2000-08-29 |
| 5906874 | Optical recording medium, and its fabrication method | Makoto Takahashi, Isamu Kuribayashi, Junji Tominaga | 1999-05-25 |
| 5891542 | Optical recording material, and optical recording medium | Junji Tominaga, Isamu Kuribayashi, Makoto Takahashi | 1999-04-06 |