Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973021 | Multilayered optical information-recording media and process for manufacture thereof | Tetsuya Kondo | 2005-12-06 |
| 6942481 | Disk production apparatus and disk produced by disk production apparatus | Takayuki Onizawa, Shinji Ohta | 2005-09-13 |
| 6873595 | Information recording medium having parallel grooves with alternating convex-concave sections | Tetsuya Kondo | 2005-03-29 |