Issued Patents 2002
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496300 | Optical amplifier | Miki Onaka, Yasushi Sugaya, Chihiro Ohshima, Terumi Chikama, Hiroyuki Itou +2 more | 2002-12-17 |
| 6480329 | Multi-wavelength light amplifier | Yasushi Sugaya, Miki Takeda, Terumi Chikama | 2002-11-12 |
| 6462862 | Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier | — | 2002-10-08 |
| 6452719 | Optical communication system and optical amplifier | — | 2002-09-17 |
| 6426832 | Wavelength-multiplexed light amplifying apparatus, optical amplifier and optical add-and-drop apparatus using wavelength-multiplexed light amplifying basic unit | — | 2002-07-30 |
| 6411431 | Optical amplifier for amplifying light in a long wavelength band | Yasushi Sugaya, Hiroshi Onaka | 2002-06-25 |
| 6400499 | Multi-wavelength light amplifier | Yasushi Sugaya, Miki Takeda, Terumi Chikama | 2002-06-04 |
| 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 | Yasushi Sugaya | 2002-04-23 |
| 6373623 | Optical amplifier for use in optical communications equipment | Chihiro Ohshima, Terumi Chikama | 2002-04-16 |
| 6369938 | Multi-wavelength light amplifier | Yasushi Sugaya, Miki Takeda, Terumi Chikama | 2002-04-09 |
| 6359726 | Wavelength division multiplexing optical amplifier with function of gain-equalizing and optical communication system | Miki Onaka | 2002-03-19 |
| 6342965 | Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier | — | 2002-01-29 |
| 6335823 | Optical amplifier for use in optical communications equipment | Chihiro Ohshima, Terumi Chikama | 2002-01-01 |