Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7376361 | Optical transmission system and dispersion compensator | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 2008-05-20 |
| 7263296 | Optical transmission system using in-line amplifiers | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 2007-08-28 |
| 7116913 | Optical transmission system and dispersion compensator | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 2006-10-03 |
| 7116918 | Optical transmission system using in-line amplifiers | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 2006-10-03 |
| 7079771 | Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus | Kazuo Yamane, Takashi Tsuda, Satoru Okano | 2006-07-18 |
| 7068876 | Method and system for optical transmission adopting dispersion compensation | Takashi Tsuda, Kazuo Yamane, Satoru Okano | 2006-06-27 |
| 7006769 | Method for optical fiber communication, and device and system for use in carrying out the method | Kazuo Yamane, Takashi Tsuda, Satoru Okano | 2006-02-28 |
| 6823141 | Optical transmission system and dispersion compensator | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 2004-11-23 |
| 6738584 | Method for optical fiber communication, and terminal device and system for use in carrying out the method | Takashi Tsuda, Kazuo Yamane, Satoru Okano | 2004-05-18 |
| 6570691 | Optical transmission system using in-line amplifiers | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 2003-05-27 |
| 6496288 | Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus | Kazuo Yamane, Takashi Tsuda, Satoru Okano | 2002-12-17 |
| 6449074 | Optical transmission device and optical communication system | Satoru Okano, Hiroshi Nishimoto, Kazuo Yamane, Takashi Tsuda | 2002-09-10 |
| 6295147 | Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus | Kazuo Yamane, Takashi Tsuda, Satoru Okano | 2001-09-25 |
| 6288836 | Optical amplifier and optical communication system having the optical amplifier | Satoru Okano, Kazuo Yamane, Hiroshi Nishimoto, Takashi Tsuda | 2001-09-11 |
| 6061173 | Wavelength-division-multiplexing optical amplifier | Kazuo Yamane, Michikazu Shima, Kenji Tagawa, Shinya Inagaki, Norifumi Shukunami | 2000-05-09 |
| 6038063 | Optical amplifier and optical transmission system including the optical amplifier | Takashi Tsuda, Hiroshi Nishimoto, Kazuo Yamane, Satoru Okano | 2000-03-14 |
| 5877881 | Optical transmission system | Akira Miyauchi, Kazuo Yamane, Satoru Okano | 1999-03-02 |
| 5841558 | Auxiliary-signal transmission system | Yuji Tamura, Hiroyuki Itou, Tsukasa Takahashi, Michikazu Shima, Kazuo Yamane | 1998-11-24 |
| 5798857 | Auxiliary-signal transmission system | Yuji Tamura, Hiroyuki Itou, Tsukasa Takahashi, Michikazu Shima, Kazuo Yamane | 1998-08-25 |
| 5764404 | Wavelength-division-multiplexing optical amplifier | Kazuo Yamane, Michikazu Shima, Kenji Tagawa, Shinya Inagaki, Norifumi Shukunami | 1998-06-09 |
| 5680246 | Optical amplifier and optical transmission apparatus | Tsukasa Takahashi, Hiroyuki Itou, Yuji Tamura, Michikazu Shima, Kazuo Yamane +6 more | 1997-10-21 |
| 5625481 | Auxiliary-signal transmission system | Yuji Tamura, Hiroyuki Itou, Tsukasa Takahashi, Michikazu Shima, Kazuo Yamane | 1997-04-29 |