Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326210 | Light-responsive field effect mode semiconductor devices | Akira Aso | 1982-04-20 |
| 4318115 | Dual junction photoelectric semiconductor device | Toshihumi Yoshikawa, Zempei Tani, Akira Aso | 1982-03-02 |
| 4309604 | Apparatus for sensing the wavelength and intensity of light | Toshihumi Yoshikawa, Zempei Tani, Akira Aso | 1982-01-05 |