Ken Minoha

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Tajimi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making air/fuel ratio sensor
- Patent number 5,242,573
- Issue date Sep 7, 1993
- NGK Spark Plug Co., Ltd.
- Nobuhiro Hayakawa
- G01 - MEASURING TESTING
Information Patent Grant
Air/fuel ratio sensor
- Patent number 5,194,135
- Issue date Mar 16, 1993
- NGK Spark Plug Co., Ltd.
- Nobuhiro Hayakawa
- G01 - MEASURING TESTING
Information Patent Grant
Method for producing oxygen detection element
- Patent number 5,139,829
- Issue date Aug 18, 1992
- NGK Spark Plug Co., Ltd.
- Ken Minoha
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensor and method of making it
- Patent number 4,980,042
- Issue date Dec 25, 1990
- NGK Spark Plug Co., Ltd.
- Haruhisa Shiomi
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for evaluating an oxygen sensor
- Patent number 4,825,683
- Issue date May 2, 1989
- NGK Spark Plug Co., Ltd.
- Akio Takami
- G01 - MEASURING TESTING