Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5999298 | Electroabsorption optical intesity modulator having a plurality of absorption edge wavelengths | — | 1999-12-07 |
| 5953149 | Semiconductor electroabsorption optical modulator | — | 1999-09-14 |
| 5757985 | Semiconductor mach-zehnder-type optical modulator | — | 1998-05-26 |
| 5655034 | Mach-Zehnder type modulator and method of driving the same | Junichi Shimizu | 1997-08-05 |