Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801720 | Optical signal quality supervisory device | Takashi Mizuochi, Yojiro Osaki, Aritomo Uemura, Hiroshi Ichibangase, Kiwami Matsushita +4 more | 2004-10-05 |
| 6445478 | Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods | Katsuhiro Shimizu, Takashi Mizuochi, Takeshi Komiya, Kiwami Matsushita, Masatoshi Suzuki +4 more | 2002-09-03 |
| 6434288 | Optical switching system | Aritomo Uemura, Hiroshi Ichibangase, Takashi Mizuochi, Shu Yamamoto, Tetsuya Miyazaki +2 more | 2002-08-13 |
| 6292603 | Dispersion compensation device | Takashi Mizuochi, Hideaki Tanaka, Koji Goto | 2001-09-18 |
| 6236488 | Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods | Katsuhiro Shimizu, Takashi Mizuochi, Takeshi Komiya, Kiwami Matsushita, Masatoshi Suzuki +4 more | 2001-05-22 |
| 6094293 | Optical switching apparatus for use in an optical communication system | Yoshinori Yokoyama, Munehisa Takeda, Hitoshi Ota, Aritomo Uemura | 2000-07-25 |
| 6028695 | Optical modulating apparatus | Aritomo Uemura, Takashi Mizuochi, Katsuhiro Shimizu, Kiwami Matsushita, Masatoshi Suzuki +2 more | 2000-02-22 |
| 5978124 | Light emitting control apparatus and optical transmitter | Eiji Maekawa, Susumu Satoh, Kuniaki Motoshima | 1999-11-02 |
| 5861967 | Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system | Takashi Mizuochi | 1999-01-19 |
| 5850301 | Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system | Takashi Mizuochi | 1998-12-15 |
| 5793908 | Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system | Takashi Mizuochi | 1998-08-11 |
| 5760949 | Light amplifier | Kuniaki Motoshima, Takashi Mizuochi, Katsumi Takano | 1998-06-02 |
| 5710660 | Gain-controllable optical amplifier and optical gain-control method | Shu Yamamoto, Hidenori Taga, Noboru Edagawa, Shigeyuki Akiba, Kuniaki Motoshima +1 more | 1998-01-20 |
| 5510930 | Light amplifying apparatus | Kuniaki Motoshima, Junichiro Yamashita, Eiichi Nakagawa, Shigeyuki Akiba, Masatoshi Suzuki +3 more | 1996-04-23 |
| 5506724 | Gain controllable optical amplifier and applications thereof | Katsuhiro Shimizu, Takashi Mizuochi, Kuniaki Motoshima | 1996-04-09 |
| 5455704 | Optical-fiber light amplifier | Takashi Mizuochi, Katsuhiro Shimizu, Kiwami Matsushita, Nobuyuki Takemura, Eiichi Nakagawa | 1995-10-03 |
| 5400163 | Multiplex digital communication system for transmitting channel identification information | Takashi Mizuochi, Susumu Sato, Hiroshi Ichibangase | 1995-03-21 |
| 5367587 | Optical amplifier | Takashi Mizuochi, Katsuhiro Shimizu, Kiwami Matsushita, Nobuyuki Takemura, Eiichi Nakagawa | 1994-11-22 |
| 5268786 | Optical fiber amplifier and its amplification method | Kiwami Matsushita, Takashi Mizuochi, Mayumi Miyazaki | 1993-12-07 |
| 5107362 | Optical transmission apparatus | Kuniaki Motoshima, Miyuki Shuji, Tomohiko Nambara | 1992-04-21 |
| 4940306 | Star network optical transmission system | Kiwami Matsushita, Kuniaki Motoshima | 1990-07-10 |