Junji Kawai

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sensor
- Patent number 7,921,692
- Issue date Apr 12, 2011
- NGK Spark Plug Co., Ltd.
- Hiroshi Isomura
- G01 - MEASURING TESTING
Information Patent Grant
Sensor
- Patent number 7,559,224
- Issue date Jul 14, 2009
- NGK Spark Plug Co., Ltd.
- Takaya Yoshikawa
- G01 - MEASURING TESTING
Information Patent Grant
Ladder type filter with adjustable resonator positioning member
- Patent number 5,572,173
- Issue date Nov 5, 1996
- NGK Spark Plug Co., Ltd.
- Tatsuo Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of adjusting a frequency response in a ladder-type electric...
- Patent number 5,570,070
- Issue date Oct 29, 1996
- NGK Spark Plug Co., Ltd.
- Tatsuo Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of adjusting a frequency response in a ladder-type electric...
- Patent number 5,426,401
- Issue date Jun 20, 1995
- NGK Spark Plug Co., Ltd
- Tatsuo Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SENSOR
- Publication number 20080302171
- Publication date Dec 11, 2008
- Hiroshi ISOMURA
- G01 - MEASURING TESTING
Information Patent Application
Sensor
- Publication number 20070141911
- Publication date Jun 21, 2007
- NGK SPARK PLUG CO., LTD.
- Takaya Yoshikawa
- G01 - MEASURING TESTING