Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663935 | Disk-like multilayer information recording medium and production method thereof | Toshiyuki Kashiwagi, Motohiro Furuki, Tomomi Yukumoto | 2003-12-16 |
| 6574180 | Multilayer optical disk and method of initializing the same | Kotaro Kurokawa, Koichi Yasuda, Tomomi Yukumoto | 2003-06-03 |
| 6524418 | Method of production of multilayer optical recording medium | Tomomi Yukumoto, Toshiyuki Kashiwagi, Yuji Akiyama, Eijiro Kikuno | 2003-02-25 |