Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822986 | Method of controlling a wavelength of a semiconductor laser, optical module, optical transmitter, WDM optical transmission apparatus, and method of controlling a wavelength of an optical module | Hideyuki Nasu, Mizuki Oike | 2004-11-23 |
| 6807208 | Laser module | Hideyuki Nasu, Tatsuhiko Ueki, Mamoru Shimada, Yuji Hiratani | 2004-10-19 |
| 6765938 | System for controlling wavelength of laser beam | Hideyuki Nasu | 2004-07-20 |
| 6724800 | Wavelength monitor and laser module | Hideyuki Nasu, Tomohiro Takagi, Mizuki Oike | 2004-04-20 |
| 6677572 | Optical module | Sonomi Ishii, Masayuki Iwase | 2004-01-13 |