Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994658 | Apparatus for controlling movement of an optical memory card for data transfer therewith | Shunzo Takahashi, Akiyoshi Hashimoto, Hidefumi Suzuki | 1991-02-19 |
| 4933537 | Apparatus for controlling movement of an optical memory card for data transfer therewith | Shunzo Takahashi, Akiyoshi Hashimoto, Hidefumi Suzuki | 1990-06-12 |
| 4855981 | Method and device for reading out optically recorded data and compensating for a drastic change in the position of a line to be read | Fumio Kimura, Shunzo Takahashi | 1989-08-08 |