Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330175 | Blazed diffraction grating structures and method of manufacturing the same | Junichiro Minowa | 1982-05-18 |
| 4322126 | Mechanical optical switching devices | Junichiro Minowa, Tsutomu Aoyama, Kikuo Doi | 1982-03-30 |