Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335069 | Phase-changeable optical recording medium, method of manufacturing the same, and method of recording information on the same | Shuichiro Ogawa, Kazuhiro Nishimura, Masato Terada | 2002-01-01 |