| 8311371 |
Optical modulation device |
Kenji Kawano, Hiroaki Senda, Takeshi Hondo, Seiji Uchida, Yuji Sato +1 more |
2012-11-13 |
| 8204344 |
Optical modulator |
Kenji Kawano, Seiji Uchida, Eiji Kawazura, Yuji Sato, Toru Nakahira +2 more |
2012-06-19 |
| 8170381 |
Optical modulator |
Kenji Kawano, Eiji Kawazura, Yuji Sato, Seiji Uchida, Nobuhiro Igarashi +2 more |
2012-05-01 |
| 7916981 |
Optical modulator |
Kenji Kawano, Yuji Sato, Seiji Uchida, Nobuhiro Igarashi, Toru Nakahira +1 more |
2011-03-29 |
| 7643708 |
Optical modulator |
Kenji Kawano, Yuji Sato, Seiji Uchida, Nobuhiro Igarashi, Toru Nakahira +1 more |
2010-01-05 |
| 7474812 |
Monitor photodetector equipped optical modulator |
Kenji Kawano, Makoto Saito, Toru Nakahira, Yuji Sato, Seiji Uchida |
2009-01-06 |
| 7330613 |
Waveguide type optical device |
Kenji Kawano, Makoto Saito, Toru Nakahira, Yuji Sato, Seiji Uchida |
2008-02-12 |
| 6891982 |
Optical modulation device having excellent electric characteristics by effectively restricting heat drift |
Kenji Kawano, Toru Nakahira, Seiji Uchida, Yuji Sato |
2005-05-10 |
| 6876450 |
Laser absorption spectral diffraction type gas detector and method for gas detection using laser absorption spectral diffraction |
Takeshi Tsukamoto |
2005-04-05 |
| 6603555 |
Gas detecting apparatus using laser absorption spectroscopy |
Toshiyuki Suzuki, Takeshi Tsukamoto |
2003-08-05 |