Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600714 | Optical recording medium, optical pickup and optical recording and/or reproducing apparatus | Isao Ichimura, Kenji Yamamoto, Yuji Kuroda | 2003-07-29 |
| 6592435 | Method of and apparatus for manufacturing recording medium | — | 2003-07-15 |
| 6552968 | Optical recording medium, method of producing same, and optical recording and reproduction device | Yuji Kuroda, Isao Ichimura, Kiyoshi Osato, Kimihiro Saito | 2003-04-22 |