Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9698929 | Optical receiver that has function to detect signal superimposed on optical signal and method for receiving optical signal | Goji Nakagawa, Tomohiro Yamauchi, Kyosuke Sone | 2017-07-04 |
| 9680288 | Optical amplification device | Susumu Kinoshita | 2017-06-13 |
| 9400426 | Imprint apparatus | Zenichi Hamaya, Noriyasu Hasegawa, Yoshihiro Shiode | 2016-07-26 |
| 9343872 | Optical amplification device and optical amplification method | Susumu Kinoshita | 2016-05-17 |
| 9285675 | Imprint apparatus | Zenichi Hamaya, Noriyasu Hasegawa, Yoshihiro Shiode | 2016-03-15 |
| 9258062 | Optical amplification device and optical amplification method | Susumu Kinoshita | 2016-02-09 |
| 9019593 | Optical amplification apparatus | Susumu Kinoshita, George Ishikawa, Goji Nakagawa, Yutaka Kai, Kyosuke Sone +1 more | 2015-04-28 |
| 8977131 | Optical apparatus and use method thereof for passive optical network system | Susumu Kinoshita | 2015-03-10 |
| 8937762 | Level control circuit, level control method, and level control system | Yutaka Kai, Taku Yoshida, Keisuke Harada | 2015-01-20 |
| 8824043 | Optical output level control apparatus | Taku Yoshida, Keisuke Harada, Yutaka Kai | 2014-09-02 |
| 8749878 | Semiconductor optical amplifier device | — | 2014-06-10 |
| 8678808 | Imprint apparatus and article manufacturing method | Noriyasu Hasegawa, Yoshihiro Shiode, Tatsuya Hayashi | 2014-03-25 |
| 8670639 | Optical-switch driver circuit, optical switch, and optical changeover switch | Hiroyuki Kadosono | 2014-03-11 |
| 8609281 | Electrolytic manganese dioxide, positive electrode active material, and battery | Kenichi Takahashi, Kazumasa Suetsugu | 2013-12-17 |
| 8564878 | Optical amplifier, control circuit, and optical amplifier control method | Kyosuke Sone | 2013-10-22 |
| 8310750 | Waveform shaping circuit and optical switching device | — | 2012-11-13 |
| 8179593 | Optical-switch drive circuit and method thereof | Masaji Noguchi, Yutaka Kai | 2012-05-15 |
| 8139903 | Driving circuit of optical gate switch | Masaji Noguchi, Tomohiro Ueno, Yutaka Kai | 2012-03-20 |
| 8107813 | Drive circuit and optical switch | Yutaka Kai, Masaji Noguchi | 2012-01-31 |
| 7898341 | Non-inverting amplifier circuit and optical switch driver circuit | Tomohiro Ueno, Masaji Noguchi, Yutaka Kai | 2011-03-01 |
| 7848600 | Driving circuit of optical gate switch | Masaji Noguchi, Tomohiro Ueno, Yutaka Kai | 2010-12-07 |
| 7822204 | Encryption method, cryptogram decoding method, encryptor, cryptogram decoder, transmission/reception system, and communication system | Osamu Hirota, Hiroshi Onaka | 2010-10-26 |
| 7791793 | Semiconductor optical amplifier gate switch drive circuit, semiconductor optical amplifier gate switching device, and optical cross connect | Masaji Noguchi, Tomohiro Ueno, Yutaka Kai | 2010-09-07 |
| 7583453 | Optical element holding structure, exposure apparatus, and device manufacturing method | — | 2009-09-01 |
| 7471790 | Encryption method, cryptogram decoding method, encryptor, cryptogram decoder, and communication system | Osamu Hirota, Hiroshi Onaka | 2008-12-30 |