Eiichi Hasegawa

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Chiba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage controlled oscillator
- Patent number 6,710,669
- Issue date Mar 23, 2004
- Nippon Precision Circuits Inc.
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillation control circuit
- Patent number 6,690,245
- Issue date Feb 10, 2004
- Nippon Precision Circuits Inc.
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillator circuit and integrated circuit for oscillation
- Patent number 6,556,094
- Issue date Apr 29, 2003
- Nippon Precision Circuits Inc.
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quartz oscillation circuit and quartz oscillation integrated circui...
- Patent number 6,346,862
- Issue date Feb 12, 2002
- Nippon Precision Circuits, Inc.
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal oscillator circuit with crystal reducing resistance and int...
- Patent number 6,215,370
- Issue date Apr 10, 2001
- Nippon Precision Circuits Inc.
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
CMOS circuit
- Patent number 5,923,192
- Issue date Jul 13, 1999
- Nippon Precision Circuits Inc.
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillation control circuit
- Patent number 5,187,453
- Issue date Feb 16, 1993
- Nippon Precision Circuits Ltd.
- Fumitaka Aoyagi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Voltage controlled oscillator
- Publication number 20020171500
- Publication date Nov 21, 2002
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Oscillator circuit and integrated circuit for oscillation
- Publication number 20020125965
- Publication date Sep 12, 2002
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Oscillation control circuit
- Publication number 20020075090
- Publication date Jun 20, 2002
- Eiichi Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
QUARTZ OSCILLATION CIRCUIT AND QUARTZ OSCILLATION INTEGRATED CIRCUI...
- Publication number 20010038319
- Publication date Nov 8, 2001
- EIICHI HASEGAWA
- H03 - BASIC ELECTRONIC CIRCUITRY