Issued Patents 2002
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496300 | Optical amplifier | Susumu Kinoshita, Miki Onaka, Chihiro Ohshima, Terumi Chikama, Hiroyuki Itou +2 more | 2002-12-17 |
| 6483636 | Optical amplifier | Hiroaki Tomofuji, Rikiya Watanabe | 2002-11-19 |
| 6480329 | Multi-wavelength light amplifier | Miki Takeda, Susumu Kinoshita, Terumi Chikama | 2002-11-12 |
| 6462861 | Optical amplifying apparatus and optical communication system | Chihiro Ohshima | 2002-10-08 |
| 6441951 | Optical amplification apparatus using Raman amplification | Tomoto Tanaka, Miki Onaka, Etsuko Hayashi | 2002-08-27 |
| 6411431 | Optical amplifier for amplifying light in a long wavelength band | Susumu Kinoshita, Hiroshi Onaka | 2002-06-25 |
| 6400499 | Multi-wavelength light amplifier | Miki Takeda, Susumu Kinoshita, Terumi Chikama | 2002-06-04 |
| 6388801 | Optical amplification apparatus utilizing Raman amplification and controlling method thereof | Tomoto Tanaka, Etsuko Hayashi | 2002-05-14 |
| 6377395 | Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied | Susumu Kinoshita | 2002-04-23 |
| 6369938 | Multi-wavelength light amplifier | Miki Takeda, Susumu Kinoshita, Terumi Chikama | 2002-04-09 |