Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564009 | Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof | Hideo Owa, Shoei Kobayashi, Susumu Sensyu, Toshio Watanabe, Hidenori Mori +2 more | 2003-05-13 |
| 5841513 | Apparatus for reproducing sound signals recorded on a motion picture film with digital sound track | Shunji Yoshimura, Yoshiyuki Akiyama, Kiyoshi Ohsato, Isao Ichimura, Toshio Watanabe | 1998-11-24 |
| 5550603 | Motion picture film with digital sound track | Shunji Yoshimura, Yoshiyuki Akiyama, Kiyoshi Ohsata, Isao Ichimura, Toshio Watanabe | 1996-08-27 |
| 5126994 | Method and apparatus for controlling and detecting recording laser beam | Hiroshi Ogawa, Masanobu Yamamoto | 1992-06-30 |