Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359268 | Light quantity control apparatus | — | 1982-11-16 |
| 4327971 | Electro-optical light modulators, light wavelength multiplex signal transmitting apparatus and light wavelength separating switches utilizing the same | Yoshinori Ohta, Mitsuhito Sakaguchi | 1982-05-04 |