Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794634 | Position-sensitive photodetector and light transmissive tablet and light-emitting pen | Shigenori Torihata, Toru Suzuki, Tomoo Matsuda, Masatake Hirooka, Yokichi Nishi +3 more | 1988-12-27 |
| 4761547 | Semiconductor photoelectric conversion device for light incident position detection | Shigenori Torihata, Kazuto Togino, Akira Okamoto, Haruo Hashimoto, Yukitaka Takitani +1 more | 1988-08-02 |