Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |