Kazuhisa Kaede

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical trunk transmission system and an optical repeater circuit
- Patent number 5,467,213
- Issue date Nov 14, 1995
- NEC Corporation
- Kazuhisa Kaede
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical trunk transmission system and an optical repeater circuit
- Patent number 5,392,147
- Issue date Feb 21, 1995
- NEC Corporation
- Kazuhisa Kaede
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical timing extraction circuit
- Patent number 5,339,185
- Issue date Aug 16, 1994
- NEC Corporation
- Kazuhisa Kaede
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light amplifier for multi-wavelength signals
- Patent number 5,231,529
- Issue date Jul 27, 1993
- NEC Corporation
- Kazuhisa Kaede
- G02 - OPTICS
Information Patent Grant
Optical amplifying apparatus
- Patent number 5,202,791
- Issue date Apr 13, 1993
- NEC Corporation
- Kazuhisa Kaede
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength drop-and-insert device
- Patent number 4,973,124
- Issue date Nov 27, 1990
- NEC Corporation
- Kazuhisa Kaede
- G02 - OPTICS
Information Patent Grant
Method and apparatus for an oscillation frequency separation among...
- Patent number 4,835,782
- Issue date May 30, 1989
- NEC Corporation
- Kazuhisa Kaede
- G02 - OPTICS
Information Patent Grant
Optical wavelength-division switching system with coherent optical...
- Patent number 4,807,227
- Issue date Feb 21, 1989
- NEC Corporation
- Masahiko Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency-stabilized semiconductor laser oscillator
- Patent number 4,669,086
- Issue date May 26, 1987
- NEC Corporation
- Kazuhisa Kaede
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar, optical star coupler for optical fibers
- Patent number 4,474,425
- Issue date Oct 2, 1984
- Nippon Electric Co., Ltd.
- Kazuhisa Kaede
- G02 - OPTICS
Information Patent Grant
Buried heterostructure laser diode
- Patent number 4,425,650
- Issue date Jan 10, 1984
- Nippon Electric Co., Ltd.
- Ikuo Mito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light switch
- Patent number 4,265,513
- Issue date May 5, 1981
- Nippon Electric Co., Ltd.
- Shigeo Matsushita
- G02 - OPTICS

Kazuhisa Kaede

Person

Patents Grantslast 30 patents

Optical trunk transmission system and an optical repeater circuit

Optical trunk transmission system and an optical repeater circuit

Optical timing extraction circuit

Light amplifier for multi-wavelength signals

Optical amplifying apparatus

Wavelength drop-and-insert device

Method and apparatus for an oscillation frequency separation among...

Optical wavelength-division switching system with coherent optical...

Frequency-stabilized semiconductor laser oscillator

Planar, optical star coupler for optical fibers

Buried heterostructure laser diode

Light switch