Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7072369 | Depolarized laser diode module and depolarized laser diode light source | Shunichi Matsushita, Shu Namiki | 2006-07-04 |
| 7050221 | Raman amplifier | Shu Namiki | 2006-05-23 |
| 6977769 | Pump light source device for optical Raman amplification and optical Raman amplification system using the same | Shunichi Matsushita, Shu Namiki | 2005-12-20 |
| 6950230 | Pump light source for Raman amplifier and Raman amplifier using the same | Soko Kado | 2005-09-27 |
| 6927896 | Raman optical amplification system | — | 2005-08-09 |
| 6917466 | Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance | Shu Namiki, Mikio Ogai | 2005-07-12 |
| 6882468 | Raman amplifier | Shu Namiki | 2005-04-19 |
| 6882467 | Raman amplification method and optical signal transmission method using the same | Shu Namiki | 2005-04-19 |
| 6825972 | Raman amplifier | Shu Namiki | 2004-11-30 |
| 6775057 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Shu Namiki | 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, Shu Namiki, Akira Fujisaki, Toshio Kimura | 2004-07-27 |
| 6738180 | Optical transmission system | Takeshi Hirasawa, Soko Kado | 2004-05-18 |
| 6654162 | Raman amplifier, optical repeater, and Raman amplification method | Youichi Akasaka, Shu Namiki | 2003-11-25 |
| 6646787 | Raman amplifier, optical repeater, and Raman amplification method | Youichi Akasaka, Shu Namiki | 2003-11-11 |
| 6636344 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Shu Namiki | 2003-10-21 |
| 6633697 | Raman amplification method and optical signal transmission method using same | Shu Namiki | 2003-10-14 |
| 6611370 | Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance | Shu Namiki, Mikio Ogai | 2003-08-26 |
| 6611369 | Optical signal amplifier | Shunichi Matsushita, Shu Namiki | 2003-08-26 |
| 6542666 | Optical component | Toshiaki Tsuda, Shigehito Yodo, Kazuyo Mizuno, Yu Mimura, Toshihiko Ohta +1 more | 2003-04-01 |
| 6501593 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Shu Namiki | 2002-12-31 |
| 6411430 | Optical amplifier | Atsushi Ogino, Masaru Fukushima, Haruki Ogoshi, Yoshio Tashiro | 2002-06-25 |
| 6292288 | Raman amplifier, optical repeater, and raman amplification method | Youichi Akasaka, Shu Namiki | 2001-09-18 |