Mitsuo Kitamura

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Supervisory signal transmitter and method
- Patent number 6,310,708
- Issue date Oct 30, 2001
- Fujitsu Limited
- Kenji Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and optical transmission system
- Patent number 6,266,466
- Issue date Jul 24, 2001
- Fujitsu Limited
- Yoshio Nabeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and optical transmission system
- Patent number 5,859,938
- Issue date Jan 12, 1999
- Fujitsu Limited
- Yoshio Nabeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater
- Patent number 5,737,105
- Issue date Apr 7, 1998
- Fujitsu Limited
- Kenji Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater off-state supervisory method and device therefor
- Patent number 5,293,260
- Issue date Mar 8, 1994
- Fujitsu Limited
- Katsumi Kikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater haivng means for preventing malfunction due to the...
- Patent number 5,130,837
- Issue date Jul 14, 1992
- Fujitsu Limited
- Mitsuo Kitamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater having phase inversion circuit
- Patent number 5,097,353
- Issue date Mar 17, 1992
- Fujitsu Limited
- Haruo Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase shift circuit and repeater using the same
- Patent number 5,088,106
- Issue date Feb 11, 1992
- Fujitsu Limited
- Mitsuo Kitamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Mitsuo Kitamura

Person

Patents Grantslast 30 patents

Supervisory signal transmitter and method

Optical amplifier and optical transmission system

Optical amplifier and optical transmission system

Optical repeater

Optical repeater off-state supervisory method and device therefor

Optical repeater haivng means for preventing malfunction due to the...

Optical repeater having phase inversion circuit

Phase shift circuit and repeater using the same