Junichiro Yamakawa

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Sayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage controlled oscillator
- Patent number 8,547,183
- Issue date Oct 1, 2013
- Nihon Dempa Kogyo Co., Ltd.
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator and electronic component
- Patent number 8,416,028
- Issue date Apr 9, 2013
- Nihon Dempa Kogyo Co., Ltd.
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator
- Patent number 8,283,989
- Issue date Oct 9, 2012
- Nihon Dempa Kogyo Co., Ltd.
- Tatsunori Onzuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric sensor and sensing instrument
- Patent number 8,176,773
- Issue date May 15, 2012
- Nihon Dempa Kogyo Co., Ltd.
- Junichiro Yamakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-noise voltage controlled oscillator
- Patent number 8,111,110
- Issue date Feb 7, 2012
- Nihon Dempa Kogyo Co., Ltd.
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillation module
- Patent number 7,924,106
- Issue date Apr 12, 2011
- Nihon Dempa Kogyo Co., Ltd.
- Naoto Inouchi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Voltage controlled oscillator
- Publication number 20120038425
- Publication date Feb 16, 2012
- Nihon Dempa Kohyo Co., Ltd.
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage controlled oscillator
- Publication number 20110080223
- Publication date Apr 7, 2011
- NIHON DEMPA KOGYO CO., LTD
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage controlled oscillator
- Publication number 20110080222
- Publication date Apr 7, 2011
- NIHON DEMPA KOGYO CO., LTD.
- Tatsunori Onzuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage controlled oscillator and electronic component
- Publication number 20110080226
- Publication date Apr 7, 2011
- NIHON DEMPA KOGYO CO., LTD
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low-noise voltage controlled oscillator
- Publication number 20100073101
- Publication date Mar 25, 2010
- Junichiro Yamakawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC SENSOR AND SENSING INSTRUMENT
- Publication number 20090288488
- Publication date Nov 26, 2009
- Junichiro Yamakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Oscillation module
- Publication number 20090174488
- Publication date Jul 9, 2009
- Naoto Inouchi
- H03 - BASIC ELECTRONIC CIRCUITRY