Koji Egawa

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sealing pin, method of manufacturing assembly, and method of manufa...
- Patent number 10,882,267
- Issue date Jan 5, 2021
- NGK Insulators, Ltd.
- Kenji Isaka
- B30 - PRESSES
Information Patent Grant
Method of manufacturing gas sensor and method of removing oil
- Patent number 10,876,996
- Issue date Dec 29, 2020
- NGK Insulators, Ltd.
- Hiroyuki Tanaka
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor manufacturing method and gas sensor manufacturing apparatus
- Patent number 10,495,602
- Issue date Dec 3, 2019
- NGK Insulators, Ltd.
- Kenji Isaka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Ceramic material and method for manufacturing ceramic product utili...
- Patent number 5,714,242
- Issue date Feb 3, 1998
- NGK Insulators, Ltd.
- Keiichiro Watanabe
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
SEALING PIN, METHOD OF MANUFACTURING ASSEMBLY, AND METHOD OF MANUFA...
- Publication number 20180281331
- Publication date Oct 4, 2018
- NGK Insulators, Ltd.
- Kenji ISAKA
- B30 - PRESSES
Information Patent Application
METHOD OF MANUFACTURING GAS SENSOR AND METHOD OF REMOVING OIL
- Publication number 20180266982
- Publication date Sep 20, 2018
- NGK Insulators, Ltd.
- Hiroyuki TANAKA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GAS SENSOR MANUFACTURING METHOD AND GAS SENSOR MANUFACTURING APPARATUS
- Publication number 20170276638
- Publication date Sep 28, 2017
- NGK Insulators, Ltd.
- Kenji ISAKA
- G01 - MEASURING TESTING