Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081885 | Coherent optical communication apparatus and method | Sander Jansen | 2011-12-20 |
| 6549711 | Soliton pulse compression optical fiber and method for making soliton pulse compression optical fiber | Tadakatsu Shimada, Kazuo Koya, Noboru Edagawa, Masatoshi Suzuki | 2003-04-15 |
| 6445478 | Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods | Katsuhiro Shimizu, Takashi Mizuochi, Takeshi Komiya, Kiwami Matsushita, Tadayoshi Kitayama +4 more | 2002-09-03 |
| 6236488 | Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods | Katsuhiro Shimizu, Takashi Mizuochi, Takeshi Komiya, Kiwami Matsushita, Tadayoshi Kitayama +4 more | 2001-05-22 |
| 6005702 | Optical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulses | Masatoshi Suzuki, Noboru Edagawa, Shu Yamamoto, Shigeyuki Akiba | 1999-12-21 |
| 5898714 | Optical pulse generator | Noboru Edagawa, Masatoshi Suzuki, Shu Yamamoto, Shigeyuki Akiba | 1999-04-27 |
| 5889607 | Optical modulator, optical short pulse generating device, optical waveform shaping device, and optical demultiplexer device | Masatoshi Suzuki, Noboru Edagawa, Shu Yamamoto, Shigeyuki Akiba | 1999-03-30 |
| 5864421 | Optical frequency shifter and optical soliton-like return-to-zero pulse transmission system using optical frequency shifter | Masatoshi Suzuki, Noboru Edagawa, Shu Yamamoto, Shigeyuki Akiba | 1999-01-26 |
| 5808789 | Optically amplifying transmission system | Noboru Edagawa, Hidenori Taga, Masatoshi Suzuki, Shu Yamamoto, Shigeyuki Akiba | 1998-09-15 |
| 5642215 | Optical transmission system | Masatoshi Suzuki, Noboru Edagawa, Hidenori Taga, Shu Yamamoto, Shigeyuki Akiba | 1997-06-24 |
| 5629795 | Optical amplifying-repeating transmission system | Masatoshi Suzuki, Shu Yamamoto, Noboru Edagawa, Hidenori Taga, Shigeyuki Akiba | 1997-05-13 |
| 5574590 | Optical amplifying transmitting system | Noboru Edagawa, Masatoshi Suzuki, Hidenori Taga, Shu Yamamoto, Shigeyuki Akiba | 1996-11-12 |