Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |