Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334854 | Optical semiconductor device with wavelength selectivity and method for amplifying or emitting the light using the same | Takeo Ono | 1994-08-02 |
| 5311011 | Quantum interference devices and methods for processing interference current | Akira Shimizu, Kazuhito Fujii | 1994-05-10 |
| 5289018 | Light emitting device utilizing cavity quantum electrodynamics | Akira Shimizu | 1994-02-22 |