Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792613 | Optical information recording medium | Yoshikazu Takagishi, Atsuo Shimizu, Ryuichi Sunagawa, Mitsuo Sekiguchi, Isao Matsuda | 2004-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792613 | Optical information recording medium | Yoshikazu Takagishi, Atsuo Shimizu, Ryuichi Sunagawa, Mitsuo Sekiguchi, Isao Matsuda | 2004-09-14 |