Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650615 | Optical recording medium and recording and/or reproducing method and apparatus employing the optical recording medium | Masanobu Yamamoto, Akio Yasuda | 2003-11-18 |
| 6572947 | Optical recording medium | Hidetoshi Watanabe, Masanobu Yamamoto | 2003-06-03 |
| 6538960 | Magneto-optical recording medium having a metal heat dispersion layer | Kimitaka Kawase | 2003-03-25 |