Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321275 | Photodetector and photodetection method | Akira Shimizu | 1994-06-14 |
| 5311011 | Quantum interference devices and methods for processing interference current | Akira Shimizu, Masahiro Okuda | 1994-05-10 |
| 5285068 | Photo-detector and photo-detection method using the same | Akira Shimizu | 1994-02-08 |