Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940634 | Multilayer optical recording medium and recording method on multilayer optical recording medium | Koji Mishima, Takashi Kikukawa | 2011-05-10 |
| 7929390 | Optical recording method on multilayer optical recording medium and optical recording apparatus | Takashi Kikukawa, Koji Mishima | 2011-04-19 |