| 8736956 |
Optical amplification control apparatus |
Shinsuke Tanaka |
2014-05-27 |
| 8073033 |
Optical semiconductor device and driving method thereof |
Akinori Hayakawa |
2011-12-06 |
| 7859745 |
Semiconductor optical amplifying device, semiconductor optical amplifying system and semiconductor optical integrated element |
Shinsuke Tanaka, Susumu Yamazaki |
2010-12-28 |
| 7859746 |
Semiconductor optical amplifier |
Susumu Yamazaki, Shinsuke Tanaka |
2010-12-28 |
| 7829880 |
Quantum dot semiconductor device |
Hiroji Ebe, Kenichi Kawaguchi, Yasuhiko Arakawa |
2010-11-09 |
| 7633984 |
Optical semiconductor device and driving method thereof |
Akinori Hayakawa |
2009-12-15 |
| 7542201 |
Semiconductor optical amplification device and optical integrated circuit |
Shinsuke Tanaka |
2009-06-02 |
| 7539378 |
Optical waveguide device and semiconductor device |
Kazumasa Takabayashi |
2009-05-26 |
| 7508849 |
Wavelength tunable laser device |
Shinsuke Tanaka |
2009-03-24 |
| 7295366 |
Optical integrated device and optical module |
Shinsuke Tanaka, Haruhiko Kuwatsuka |
2007-11-13 |
| 7158547 |
Wavelength tunable laser of small size |
Shinsuke Tanaka, Kazumasa Takabayashi |
2007-01-02 |
| 7130112 |
Optical amplifying device |
— |
2006-10-31 |
| 7130322 |
Wavelength tunable laser and method of controlling the same |
Kazumasa Takabayashi, Yuji Kotaki |
2006-10-31 |
| 7112827 |
Tunable wavelength laser |
Akinori Hayakawa, Yoshihiro Sato, Norihiko Sekine |
2006-09-26 |
| 6992813 |
Optical amplifying device |
Shinsuke Tanaka |
2006-01-31 |
| 6847662 |
Wavelength-selectable laser capable of high-speed frequency control |
Martin Bouda, Kazumasa Takabayashi, Tadao Nakazawa, Naoki Hashimoto, Hiroshi Onaka +1 more |
2005-01-25 |
| 6545801 |
Semiconductor optical amplifier performing polarization-independent operation |
— |
2003-04-08 |
| 6487007 |
Polarization independent-type semiconductor optical amplifier |
— |
2002-11-26 |
| 6487008 |
Light amplifying device |
— |
2002-11-26 |
