Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318115 | Dual junction photoelectric semiconductor device | Zempei Tani, Akira Aso, Hitoshi Kawanabe | 1982-03-02 |
| 4309604 | Apparatus for sensing the wavelength and intensity of light | Zempei Tani, Akira Aso, Hitoshi Kawanabe | 1982-01-05 |