Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6167003 | Optical disc apparatus for installing two types of optical discs | Akira Yoshida, Yasuhiro Mori, Yasuhiro Yamaguchi | 2000-12-26 |
| 5220543 | Compact optical disc recording/reproducing system | Junji Kuroda, Toru Yamagishi, Koji Tanaka, Takaro Mori, Noriyoshi Kokubo +2 more | 1993-06-15 |
| 5124962 | Reading system for a control track of an optical disk | — | 1992-06-23 |
| 4638376 | Rotary recording medium which is playable in still picture, slow-motion and normal reproduction modes | Hiroyuki Sugiyama, Masaki Sakurai, Ryozo Abe, Kenji Yoshihara | 1987-01-20 |