Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7580134 | Method of measuring micro-structure, micro-structure measurement apparatus, and micro-structure analytical system | — | 2009-08-25 |
| 6577660 | Distributed feedback type semiconductor laser device having gradually-changed coupling coefficient | — | 2003-06-10 |
| 6495384 | Method for manufacturing diffraction grating and method for manufacturing semiconductor laser | Takao Morimoto | 2002-12-17 |
| 6111906 | Distributed-feedback semiconductor laser | — | 2000-08-29 |
| 5693453 | Method of forming micropattern | — | 1997-12-02 |
| 5668047 | Method for fabricating InP diffraction grating and distributed feedback laser | — | 1997-09-16 |