Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314217 | Optical transmission device and optical transmission system employing the same | Takayuki Suzuki, Hiroyuki Nakano | 2001-11-06 |
| 6297902 | Light amplification medium control method, light amplification apparatus and system using the same | Shinji Sakano, Yoshiaki Sato, Kazuo Aida | 2001-10-02 |
| 6262835 | Optical amplifier unit control methods, optical amplifier systems and systems which use the methods and amplifier systems | Shinji Sakano | 2001-07-17 |
| 6256141 | Optical amplification apparatus | — | 2001-07-03 |
| 6233091 | Optical amplifier unit control methods, optical amplifier systems and systems which use the methods and amplifier systems | Shinji Sakano | 2001-05-15 |
| 6229641 | Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path cross reference to related application | — | 2001-05-08 |
| 6229936 | Optical amplifier, optical transmission equipment, optical transmission system, and method thereof | Hiroyuki Nakano, Takayuki Suzuki | 2001-05-08 |
| 6195480 | Optical transmission device and optical transmission system employing the same | Takayuki Suzuki, Hiroyuki Nakano | 2001-02-27 |
| 6094296 | Optical amplification apparatus | — | 2000-07-25 |
| 6091539 | Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus | — | 2000-07-18 |
| 6078422 | Optical amplifier unit control methods optical amplifier systems and systems which use the methods and amplifier systems | Shinji Sakano | 2000-06-20 |
| 6038062 | Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path | — | 2000-03-14 |
| 5986800 | Optical amplification apparatus | — | 1999-11-16 |
| 5943162 | Optical amplifier, optical amplifying method and optical transmission system using the optical amplifier | Takayuki Suzuki, Hideyuki Kuwano | 1999-08-24 |
| 5864423 | Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path | — | 1999-01-26 |
| 5835260 | Optical amplifier, optical amplifying method and optical transmission system using the optical amplifier | Takayuki Suzuki, Hideyuki Kuwano | 1998-11-10 |
| 5675432 | Optical amplification apparatus | — | 1997-10-07 |