Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920263 | Optical pulse generator | Masateru Tadakuma, Osamu Aso, Shunichi Matsushita, Misao Sakano | 2005-07-19 |
| 6917466 | Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance | Yoshihiro Emori, Mikio Ogai | 2005-07-12 |
| 6882467 | Raman amplification method and optical signal transmission method using the same | Yoshihiro Emori | 2005-04-19 |
| 6882468 | Raman amplifier | Yoshihiro Emori | 2005-04-19 |
| 6845117 | Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module | Tsuyoshi Wakisaka, Naoki Tsukiji, Junji Yoshida, Toshio Kimura | 2005-01-18 |
| 6839367 | Light source comprising laser diode module | Shinya Nagamatsu, Kenichi Namba | 2005-01-04 |
| 6825972 | Raman amplifier | Yoshihiro Emori | 2004-11-30 |
| 6775057 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Yoshihiro Emori | 2004-08-10 |
| 6768577 | TUNABLE MULTIMODE LASER DIODE MODULE, TUNABLE MULTIMODE WAVELENGTH DIVISION MULTIPLEX RAMAN PUMP, AND AMPLIFIER, AND A SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR CONTROLLING TUNABLE MULTIMODE LASER DIODES, RAMAN PUMPS, AND RAMAN AMPLIFIERS | Benjamin John Eggleton, Paul Steinvurzel, Yoshihiro Emori, Akira Fujisaki, Toshio Kimura | 2004-07-27 |
| 6665113 | Wavelength converter and wavelength division multiplexing transmission method using same | Osamu Aso, Kouki Sato, Hijiri Nimura | 2003-12-16 |
| 6654162 | Raman amplifier, optical repeater, and Raman amplification method | Youichi Akasaka, Yoshihiro Emori | 2003-11-25 |
| 6646787 | Raman amplifier, optical repeater, and Raman amplification method | Youichi Akasaka, Yoshihiro Emori | 2003-11-11 |
| 6636344 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Yoshihiro Emori | 2003-10-21 |
| 6633697 | Raman amplification method and optical signal transmission method using same | Yoshihiro Emori | 2003-10-14 |
| 6611370 | Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance | Yoshihiro Emori, Mikio Ogai | 2003-08-26 |
| 6611369 | Optical signal amplifier | Shunichi Matsushita, Yoshihiro Emori | 2003-08-26 |
| 6542666 | Optical component | Toshiaki Tsuda, Shigehito Yodo, Kazuyo Mizuno, Yu Mimura, Toshihiko Ohta +1 more | 2003-04-01 |
| 6522818 | Method for efficient four-wave mixing generation and short pulse generation equipment using the method | Osamu Aso, Masateru Tadakuma | 2003-02-18 |
| 6501593 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Yoshihiro Emori | 2002-12-31 |
| 6459525 | Optical fiber type wide bandwidth wavelength converter and wavelength converting optical fiber used therefor | Osamu Aso | 2002-10-01 |
| 6433928 | Optical amplifier, optical amplification apparatus, and optical amplification method | Katsuya Nukui, Yoshio Tashiro | 2002-08-13 |
| 6384964 | Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizer | Kazuyo Mizuno, Shoichi Ozawa, Osamu Aso, Yuichiro Irie | 2002-05-07 |
| 6377390 | Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer | Kazuyo Mizuno, Shyoichi Ozawa, Osamu Aso, Ikuo Ohta, Yuichiro Irie | 2002-04-23 |
| 6292288 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Yoshihiro Emori | 2001-09-18 |
| 5553178 | Laser module using asymmetrical lens | — | 1996-09-03 |