Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445675 | Phase change optical recording medium and process for manufacturing same | Takashi Tomie, Toru Horiguchi | 2002-09-03 |
| 6141315 | Phase change optical recording medium containing oxygen and process for manufacturing the same | Takashi Tomie, Toru Horiguchi | 2000-10-31 |
| 5912103 | Phase change optical recording medium | Kasumi Adachi | 1999-06-15 |