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Shigehiro OHTSUKA
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Gifu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gas sensor control apparatus
Patent number
10,352,893
Issue date
Jul 16, 2019
NGK Spark Plug Co., Ltd.
Keisuke Nakagawa
G01 - MEASURING TESTING
Information
Patent Grant
Gas sensor element and gas sensor
Patent number
10,012,612
Issue date
Jul 3, 2018
NGK Spark Plug Co., Ltd.
Shigehiro Ohtsuka
G01 - MEASURING TESTING
Information
Patent Grant
Gas sensor element, gas sensor, and method of manufacturing gas sen...
Patent number
9,753,020
Issue date
Sep 5, 2017
NGK Spark Plug Co., Ltd.
Toru Iwano
G01 - MEASURING TESTING
Information
Patent Grant
Gas sensor element, gas sensor, and method of manufacturing gas sen...
Patent number
9,694,387
Issue date
Jul 4, 2017
NGK Spark Plug Co., Ltd.
Masaki Onkawa
G01 - MEASURING TESTING
Information
Patent Grant
Gas sensor with porous protection layers
Patent number
9,476,863
Issue date
Oct 25, 2016
NGK Spark Plug Co., Ltd.
Shun Sakuma
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
GAS SENSOR ELEMENT AND GAS SENSOR
Publication number
20200363369
Publication date
Nov 19, 2020
NGK Spark Plug Co., Ltd.
Mika TANGE
G01 - MEASURING TESTING
Information
Patent Application
GAS SENSOR CONTROL APPARATUS
Publication number
20170059511
Publication date
Mar 2, 2017
NGK SPARK PLUG CO., LTD.
Keisuke NAKAGAWA
G01 - MEASURING TESTING
Information
Patent Application
GAS SENSOR ELEMENT AND GAS SENSOR
Publication number
20170016849
Publication date
Jan 19, 2017
NGK SPARK PLUG CO., LTD.
Shigehiro OHTSUKA
G01 - MEASURING TESTING
Information
Patent Application
GAS SENSOR ELEMENT, GAS SENSOR, AND METHOD OF MANUFACTURING GAS SEN...
Publication number
20150114085
Publication date
Apr 30, 2015
NGK SPARK PLUG CO., LTD.
Toru IWANO
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
GAS SENSOR ELEMENT, GAS SENSOR, AND METHOD OF MANUFACTURING GAS SEN...
Publication number
20150114102
Publication date
Apr 30, 2015
NGK SPARK PLUG CO., LTD.
Masaki ONKAWA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
GAS SENSOR ELEMENT AND GAS SENSOR
Publication number
20150075254
Publication date
Mar 19, 2015
NGK SPARK PLUG CO., LTD.
Shun SAKUMA
G01 - MEASURING TESTING