Issued Patents 2004
Showing 1–4 of 4 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, Takehiko Nomura | 2004-11-23 |
| 6788468 | Wavelength locker module and wavelength controller for optical communication | Hiroshi Matsuura, Satoru Abe | 2004-09-07 |
| 6778337 | Optical attenuator and optical attenuator module | Takuma AOKI, Kouki Sato, Nobuyuki Shibata, Toshimitsu Nishiwaki | 2004-08-17 |
| 6724800 | Wavelength monitor and laser module | Hideyuki Nasu, Takehiko Nomura, Tomohiro Takagi | 2004-04-20 |