Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553164 | Y-branch waveguide | Hideaki Okayama | 2003-04-22 |
| 6542670 | Wavelength demultiplexer | Hiromi Takahashi | 2003-04-01 |
| 6528370 | Semiconductor device and method of manufacturing the same | Toshikazu Suzuki | 2003-03-04 |