Kotaro Takenaga

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Receiving apparatus
- Patent number 6,968,210
- Issue date Nov 22, 2005
- Hitachi Kokusai Electric, Inc.
- Yoichi Okubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable attenuator device having substantially constant impedance
- Patent number 6,888,419
- Issue date May 3, 2005
- Hitachi Kokusai Electric, Inc.
- Yasuyuki Yufu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feed forward amplification apparatus for compensating non-linear di...
- Patent number 6,861,904
- Issue date Mar 1, 2005
- Hitachi Kokusai Electric Inc.
- Takeshi Ishigami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation amplifier
- Patent number 6,727,751
- Issue date Apr 27, 2004
- Hitachi Kokusai Electric Inc.
- Hiroichi Yonenaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
MOSFET amplifier circuit
- Patent number 6,335,657
- Issue date Jan 1, 2002
- Kokusai Electric Co. Ltd.
- Hiromichi Hayase
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Distortion compensation amplifier
- Publication number 20030058043
- Publication date Mar 27, 2003
- Hiroichi Yonenaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Feed forward amplification apparatus for compensating non-linear di...
- Publication number 20030052734
- Publication date Mar 20, 2003
- Hitachi Kokusai Electric Inc.
- Takeshi Ishigami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable attenuator device having substantially constant impedance
- Publication number 20030030507
- Publication date Feb 13, 2003
- Yasuyuki Yufu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Receiving apparatus
- Publication number 20030027596
- Publication date Feb 6, 2003
- Yoichi Okubo
- H01 - BASIC ELECTRIC ELEMENTS