Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412223 | Semiconductor device exploiting a quantum interference effect | Akira Ishibashi | 1995-05-02 |
| 5379314 | Semiconductor laser and method of manufacturing semiconductor laser | Kazuhiko Nemoto, Toyoharu Ohata | 1995-01-03 |
| 5373173 | Apparatus for semiconductor laser | Toyoharu Ohata, Kazuhiko Nemoto, Yoshifumi Mori | 1994-12-13 |
| 5331659 | Optical semiconductor device | Toyoharu Ohata, Kazuhiko Nemoto | 1994-07-19 |
| 5099295 | Compound semiconductor device which utilizes an electron supply layer which has a graded composition so that a constituent varies in percentage composition from one side to the other | — | 1992-03-24 |