Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815242 | Semiconductor device and method of manufacturing the same | Hiroshi Ishikawa | 2004-11-09 |
| 6771847 | Optical switch using multimode interferometer, and optical demultiplexer | — | 2004-08-03 |
| 6760524 | Optical signal processing device, optical demultiplexer, wavelength converting device, optical signal processing method, and wavelength converting method | — | 2004-07-06 |