Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794634 | Position-sensitive photodetector and light transmissive tablet and light-emitting pen | Shigenori Torihata, Hisaakira Imaizumi, Toru Suzuki, Tomoo Matsuda, Masatake Hirooka +3 more | 1988-12-27 |