Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663841 | Optical pickup device having a magnetic circuit whose poles are configured along a common path within one pole within a focus coil | Taichi Akiba, Masayuki Koyama, Shigeyuki Sasanuma | 1997-09-02 |
| 5629809 | Optical pickup for reproducing information on a disc | Toshihiko Kurihara, Taichi Akiba, Shinichi Takahashi | 1997-05-13 |
| 5621459 | Image sensing apparatus which can detect optical characteristics of an image to control title insertion | Koji Takahashi | 1997-04-15 |