Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605227 | Method of manufacturing a ridge-shaped three dimensional waveguide | Ayako Yoshida, Atsushi Onoe | 2003-08-12 |
| 6573116 | Ridge type semiconductor laser of laterally-coupled distributed feedback and method of manufacturing the same | Yoshiaki Watanabe, Kiyoshi Takei, Nong Chen | 2003-06-03 |
| 6537841 | Ridge-structure DFB semiconductor laser and method of manufacturing the same | Kiyoshi Takei, Nong Chen, Yoshiaki Watanabe | 2003-03-25 |
| 6535670 | Optical transmitter/receiver module and method of manufacturing the same | Kiyoshi Takei, Yoshiaki Watanabe, Nong Chen | 2003-03-18 |
| 6515311 | Gallium nitride based semiconductor light emitting device | Mitsuru Nishitsuka | 2003-02-04 |
| 6510597 | Surface acoustic wave device and method of manufacturing the same | Ayako Yoshida, Atsushi Onoe | 2003-01-28 |
| 6504632 | Optical transmitter and receiver module which demultiplexes a superimposed optical signal | Yoshiaki Watanabe, Kiyoshi Takei, Nong Chen | 2003-01-07 |