Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864325 | Interferometer, demodulator, and splitting element | Yasuyuki Suzuki, Yoshihiro Sanpei, Shinji Iio, Mamoru Hihara, Koki Iemura | 2011-01-04 |
| 7860408 | Interferometer for demodulating differential M-phase shift keying signal | Akihiko Isomura, Jens Rasmussen, Takafumi Terahara, Kentaro Nakamura, Takeshi Hoshida +7 more | 2010-12-28 |
| 7847952 | Delayed interferometer enabling a reduction of polarization-dependent frequency shift and demodulator | Yasuyuki Suzuki, Yoshihiro Sanpei, Shinji Iio | 2010-12-07 |
| 7848662 | Delay interferometer and demodulator | Yasuyuki Suzuki, Yoshihiro Sanpei, Hiroyuki Matsuura, Akira Miura | 2010-12-07 |
| 7787777 | Optical packet network system | Shinji Iio, Masayuki Suehiro, Katsuya Ikezawa, Akira Miura, Sadaharu Oka +7 more | 2010-08-31 |
| 7746549 | Optical communication apparatus | Naoaki Machida, Shinji Iio, Daisuke Hayashi, Shinji Kobayashi, Masayuki Suehiro +7 more | 2010-06-29 |
| 7738788 | Address recognition apparatus | Masayuki Suehiro, Shinji Iio, Daisuke Hayashi | 2010-06-15 |
| 7689069 | Semiconductor optical switch | Masayuki Suehiro, Shinji Iio, Shinichi Nakajima, Yoshiyuki Asano | 2010-03-30 |
| 7620284 | Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal | Shinji Iio, Machio Dobashi, Chie Sato, Katsuya Ikezawa, Akira Miura +3 more | 2009-11-17 |
| 7580641 | Repeater and optical communication system | Hiroshi Shimizu, Katsuya Ikezawa, Akira Toyama, Yasukazu Akasaka, Kanji Tatsumi +8 more | 2009-08-25 |
| 7567737 | Variable light signal delay apparatus, and variable light signal delay system using the same | Akira Miura, Chie Sato, Katsuya Ikezawa, Tsuyoshi Yakihara | 2009-07-28 |
| 7522660 | Pulse pattern generating apparatus | Chie Sato, Shinji Kobayashi, Hirotoshi Kodaka, Ikurou Aoki, Kousuke Doi +8 more | 2009-04-21 |
| 7442912 | Optical logic device responsive to pulsed signals | Akira Miura, Tsuyoshi Yakihara, Masayuki Suehiro, Daisuke Hayashi, Shinji Iio +6 more | 2008-10-28 |
| 7435938 | Optical packet communication device with an applied negative voltage for canceling an offset voltage | Daisuke Hayashi, Masayuki Suehiro, Hirotoshi Kodaka, Yasukazu Akasaka, Shinji Iio +3 more | 2008-10-14 |
| 7411725 | Optical signal demodulator | Yasuyuki Suzuki, Yoshihiro Sanpei | 2008-08-12 |
| 7362929 | Optical switch | Shinji Iio, Masayuki Suehiro, Shinichi Nakajima, Yoshiyuki Asano, Chie Sato +6 more | 2008-04-22 |
| 7343063 | Light signal switching apparatus | Shinji Iio, Masayuki Suehiro, Shinichi Nakajima, Yoshiyuki Asano, Tsuyoshi Yakihara +1 more | 2008-03-11 |
| 7176437 | Photoelectric conversion apparatus and photoelectric conversion system using the same | Akira Miura, Tsuyoshi Yakihara, Sadaharu Oka, Chie Sato, Katsuya Ikezawa +3 more | 2007-02-13 |
| 7167609 | Optical switch | Masayuki Suehiro, Shinji Iio, Shinichi Nakajima, Yoshiyuki Asano, Akira Miura +1 more | 2007-01-23 |
| 7035490 | Active diffraction grating | Shun MIYAZAKI, Akira Miura, Shinji Kobayashi, Tsuyoshi Yakihara, Sadaharu Oka +3 more | 2006-04-25 |
| 6891986 | Optical switch | Shinji Iio, Masayuki Suehiro, Shin Nakajima, Yoshiyuki Asano, Akira Miura +7 more | 2005-05-10 |
| 5189309 | Avalanche photodiode with AliNAsP cap layer | Masahito Seko, Youichi Sekiguchi, Hideto Iwaoka | 1993-02-23 |