Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667946 | Optical information recording medium | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasuo Imanishi, Motoyasu Terao +1 more | 2003-12-23 |
| 6524766 | Optical disk medium | Tetsuo Ariyoshi, Motoyasu Terao, Takeshi Shimano | 2003-02-25 |