Tetsuo Yamada

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas sensor element, heater and gas sensor
- Patent number 11,255,812
- Issue date Feb 22, 2022
- NGK Spark Plug Co., Ltd.
- Hitoshi Furuta
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas sensor element, gas sensor, and method for producing gas sensor...
- Patent number 10,921,281
- Issue date Feb 16, 2021
- NGK Spark Plug Co., Ltd.
- Hitoshi Furuta
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 10,852,269
- Issue date Dec 1, 2020
- NGK Spark Plug Co., Ltd.
- Tetsuo Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Subsystem of producing dye base body used for dyeing of spectacle l...
- Patent number 7,014,314
- Issue date Mar 21, 2006
- Nidek Co., Ltd.
- Kenichi Kamata
- G02 - OPTICS
Information Patent Grant
Method of dyeing plastic lens and a dyeing system used therein
- Patent number 6,520,999
- Issue date Feb 18, 2003
- Nidek Co., Ltd.
- Kenichi Kamata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
GAS SENSOR
- Publication number 20190360961
- Publication date Nov 28, 2019
- NGK SPARK PLUG CO., LTD.
- Tetsuo YAMADA
- G01 - MEASURING TESTING
Information Patent Application
GAS SENSOR ELEMENT, HEATER AND GAS SENSOR
- Publication number 20190302050
- Publication date Oct 3, 2019
- NGK SPARK PLUG CO., LTD.
- Hitoshi FURUTA
- G01 - MEASURING TESTING
Information Patent Application
GAS SENSOR ELEMENT, GAS SENSOR, AND METHOD FOR PRODUCING GAS SENSOR...
- Publication number 20190257783
- Publication date Aug 22, 2019
- NGK Spark Plug Co., Ltd.
- Hitoshi FURUTA
- G01 - MEASURING TESTING