Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8699126 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2014-04-15 |
| 8320040 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2012-11-27 |
| 8004752 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2011-08-23 |
| 7474459 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2009-01-06 |
| 7224517 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2007-05-29 |
| 6480329 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2002-11-12 |
| 6400499 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2002-06-04 |
| 6369938 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2002-04-09 |
| 6172801 | Optical amplifier, optical amplifying apparatus, optical transmitter for use in optical communications system, and optical surge suppression method for the optical amplifier | Susumu Kinoshita | 2001-01-09 |
| 6151158 | Method and device for optical amplification and system having the device | Susumu Kinoshita, Hiroshi Onaka | 2000-11-21 |
| 6134046 | Optical amplifying fiber and forming method for fiber grating | Norifumi Shukunami, Shinya Inagaki | 2000-10-17 |
| 6055092 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2000-04-25 |