Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873456 | Optical amplifying repeater apparatus and optical amplifying/repeating transmission system | Kuniaki Motoshima, Junichi Nakagawa, Naoki Suzuki | 2005-03-29 |
| 6836622 | Optical transmitter, and method of controlling bias voltage to the optical transmitter | Tatsuya Kobayashi, Kazuyuki Ishida, Yukio Kobayashi | 2004-12-28 |
| 6832048 | Dispersion compensation apparatus and a dispersion compensation system | Kazuyuki Ishida | 2004-12-14 |
| 6775482 | Light receiver | Kenkichi Shimomura | 2004-08-10 |
| 6674481 | Display apparatus, marker signal making process, marker signal detector circuit, and control signal generator circuit | Shunji Umemura, Ichiro Sato | 2004-01-06 |
| 6657778 | Optical amplification repeater and optical amplification repeating and transmitting system | Kuniaki Motoshima, Junichi Nakagawa, Naoki Suzuki | 2003-12-02 |
| 6456277 | Data conversion method used between different types of keyboards | Yoshikazu Satoh | 2002-09-24 |
| 6445478 | Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods | Takashi Mizuochi, Takeshi Komiya, Kiwami Matsushita, Tadayoshi Kitayama, Masatoshi Suzuki +4 more | 2002-09-03 |
| 6362816 | Display control method and display control apparatus | Kenichiro Kawanami, Naoki Fujisawa | 2002-03-26 |
| 6292216 | Control signal generating circuit | Shunji Umemura | 2001-09-18 |
| 6236488 | Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods | Takashi Mizuochi, Takeshi Komiya, Kiwami Matsushita, Tadayoshi Kitayama, Masatoshi Suzuki +4 more | 2001-05-22 |
| 6028695 | Optical modulating apparatus | Aritomo Uemura, Takashi Mizuochi, Kiwami Matsushita, Tadayoshi Kitayama, Masatoshi Suzuki +2 more | 2000-02-22 |
| 5506724 | Gain controllable optical amplifier and applications thereof | Takashi Mizuochi, Kuniaki Motoshima, Tadayoshi Kitayama | 1996-04-09 |
| 5455704 | Optical-fiber light amplifier | Takashi Mizuochi, Tadayoshi Kitayama, Kiwami Matsushita, Nobuyuki Takemura, Eiichi Nakagawa | 1995-10-03 |
| 5367587 | Optical amplifier | Takashi Mizuochi, Tadayoshi Kitayama, Kiwami Matsushita, Nobuyuki Takemura, Eiichi Nakagawa | 1994-11-22 |