Issued Patents All Time
Showing 101–125 of 142 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086109 | Polarization multiplexed optical transmitting and receiving apparatus | Masahiro Yuki, George Ishikawa | 2011-12-27 |
| 8073343 | Input signal detection device | Masahiro Yuki | 2011-12-06 |
| 8002893 | Apparatus for pulling single crystal by CZ method | Daisuke Ebi, Kengo Hayashi, Yoshinobu Hiraishi, Shigeo Morimoto, Hiroshi Monden | 2011-08-23 |
| 7996582 | Information processing apparatus, information processing method, and information processing program | Kumiko Tokuhara, Toru Sasaki, Akira Tange | 2011-08-09 |
| 7983564 | Transmission system and transmission method | Hiroki Ooi, Akira Miura, Takeshi Hoshida, Yasushi Sugaya, Ryosuke Goto | 2011-07-19 |
| 7912370 | Optical power measurement apparatus and optical power measurement method | — | 2011-03-22 |
| 7885545 | Dispersion compensation method and compensation node | Hiroki Ooi, Akira Miura, George Ishikawa | 2011-02-08 |
| 7860408 | Interferometer for demodulating differential M-phase shift keying signal | Akihiko Isomura, Jens Rasmussen, Takafumi Terahara, Takeshi Hoshida, George Ishikawa +7 more | 2010-12-28 |
| 7851972 | Vibration actuator | Masaki Takasan, Hirohiko Ishikawa, Kazuo Seiki, Sadayuki Ueha | 2010-12-14 |
| 7848659 | Optical transmitting apparatus and optical communication system | Akira Miura, Hiroshi Onaka, Yuichi Akiyama, Hiroki Ooi, Jens Rasmussen +1 more | 2010-12-07 |
| 7817923 | Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them | Yuichi Akiyama, Takeshi Hoshida, Yutaka Kai, Hiroki Ooi, Naoki Kuwata +3 more | 2010-10-19 |
| 7796887 | Wavelength division multiplexing optical transmission system, and wavelength division multiplexing optical transmission method | Takafumi Terahara | 2010-09-14 |
| 7778553 | Optical transmitter | Masahiro Yuki, Hiroki Ooi, Masato Nishihara | 2010-08-17 |
| 7727334 | Apparatus for pulling single crystal by CZ method | Hiroshi Inagaki, Shigeki Kawashima, Makoto Kamogawa, Toshirou Kotooka, Toshiaki Saishoji +7 more | 2010-06-01 |
| 7689133 | Optical signal reception device and method of controlling optical signal reception | Toru Katagiri, Takeshi Hoshida, Tomoo Takahara, Naoki Kuwata | 2010-03-30 |
| 7613397 | Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit | Hiroki Ooi, George Ishikawa | 2009-11-03 |
| 7603007 | Quadrature phase-shift keying modulator and phase shift amount controlling method for the same | Takafumi Terahara, Takeshi Hoshida, Yuichi Akiyama, Hiroki Ooi, Jens Rasmussen +1 more | 2009-10-13 |
| 7583895 | Polarization scrambler, optical add/drop multiplexer, optical route switching apparatus and wavelength division multiplexing optical transmission system | Masahiro Yuki, Takeshi Hoshida, George Ishikawa | 2009-09-01 |
| 7555061 | Optical communication device | Toru Katagiri, Takeshi Hoshida, Tomoo Takahara, Naoki Kuwata | 2009-06-30 |
| 7480459 | Wavelength division multiplexing transmission system | Hiroki Ooi, George Ishikawa | 2009-01-20 |
| 7437074 | Wavelength division multiplexing transmission system | Takafumi Terahara | 2008-10-14 |
| 7372622 | Optical transmission system, optical repeater, and optical transmission method | Takafumi Terahara, Rainer Hainberger, Junichi Kumasako | 2008-05-13 |
| 7319801 | Optical transmission system and dispersion compensation method for optical transmission system as well as simulation equipments | — | 2008-01-15 |
| 7252585 | Work-vehicle cabin having air-conditioning unit | Nobushige Ichikawa | 2007-08-07 |
| 7146107 | Method and apparatus for adjusting filter device | Hiroki Ooi, Tomoo Takahara | 2006-12-05 |