Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7016285 | Linking gap detecting device and method of optical recording medium | Naoharu Yanagawa, Masafumi Asada, Yuji Shimizu | 2006-03-21 |
| 6891784 | Apparatus and method for re-executing pre-pit detection if pre-pits are not detected after changing reference level | Naoharu Yanagawa, Junji Tanaka, Shin Akabane | 2005-05-10 |
| 6426922 | Information reproducing system including a master and a slave system | Moriyasu Machida, Yukimasa Suzuki, Nobuyoshi Koike, Kimio Matsusaka | 2002-07-30 |