Kazuto Kitakubo

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Switching circuit at high frequency with low insertion loss
- Patent number 5,969,560
- Issue date Oct 19, 1999
- Sony Corporation
- Kazumasa Kohama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio telephone apparatus for performing space diversity reception...
- Patent number 5,930,245
- Issue date Jul 27, 1999
- Sony Corporation
- Seijiro Ishizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switching circuit at high frequency with low insertion loss
- Patent number 5,825,227
- Issue date Oct 20, 1998
- Sony Corporation
- Kazumasa Kohama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna switching circuit and wireless communication system
- Patent number 5,822,684
- Issue date Oct 13, 1998
- Sony Corporation
- Kazuto Kitakubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic-wave shielding device
- Patent number 5,731,964
- Issue date Mar 24, 1998
- Sony Corporation
- Kazuto Kitakubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna duplexer and transmitting/receiving apparatus using the same
- Patent number 5,634,200
- Issue date May 27, 1997
- Sony Corporation
- Kazuto Kitakubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual-mode transceiver that switches out a large insertion loss filt...
- Patent number 5,276,914
- Issue date Jan 4, 1994
- Sony Corporation
- Seijiro Ishizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Attenuator for high-frequency signal
- Patent number 5,262,741
- Issue date Nov 16, 1993
- Sony Corporation
- Kazuto Kitakubo
- H03 - BASIC ELECTRONIC CIRCUITRY

Kazuto Kitakubo

Person

Patents Grantslast 30 patents

Switching circuit at high frequency with low insertion loss

Radio telephone apparatus for performing space diversity reception...

Switching circuit at high frequency with low insertion loss

Antenna switching circuit and wireless communication system

Electromagnetic-wave shielding device

Antenna duplexer and transmitting/receiving apparatus using the same

Dual-mode transceiver that switches out a large insertion loss filt...

Attenuator for high-frequency signal