| 7889331 |
Bidirectional optical module and optical time domain reflectometer equipped with the bidirectional optical module |
Katsushi Oota, Haruo Shibuya, Yasuhiko Muramatsu, Shunji Sakai |
2011-02-15 |
| 6850545 |
Wavelength tunable light source |
— |
2005-02-01 |
| 6700904 |
Light source for an external cavity laser |
— |
2004-03-02 |
| 6600762 |
Wavelength-variable light source, and optical component loss measuring device |
— |
2003-07-29 |
| 6597507 |
V-groove grating mirror and external resonator type wavelength variable light source using the mirror |
— |
2003-07-22 |
| 6568105 |
External cavity laser type light source |
— |
2003-05-27 |
| 6552801 |
Optical interferometer |
Fumio Akikuni |
2003-04-22 |
| 6407869 |
External cavity type light source |
— |
2002-06-18 |
| 6295306 |
Tunable semiconductor laser light source |
— |
2001-09-25 |
| 5926593 |
Optocoupler |
Akishige Ito |
1999-07-20 |
| 5604636 |
Method of receiving light and light receiving module of less polarized light dependency |
Naoto Satoh, Akishige Itoh |
1997-02-18 |