Takakazu KOYAMA

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Patents Grantslast 30 patents

Information Patent Grant
Inspection method for pillar-shaped honeycomb filter
- Patent number 11,662,293
- Issue date May 30, 2023
- NGK Insulators, Ltd.
- Yoshihiro Sato
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
INSPECTION DEVICE AND INSPECTION METHOD FOR PILLAR SHAPED HONEYCOMB...
- Publication number 20240255408
- Publication date Aug 1, 2024
- NGK Insulators, Ltd.
- Takakazu KOYAMA
- G01 - MEASURING TESTING
Information Patent Application
INSPECTION METHOD FOR PILLAR-SHAPED HONEYCOMB FILTER
- Publication number 20210302296
- Publication date Sep 30, 2021
- NGK Insulators, Ltd.
- Yoshihiro SATO
- G01 - MEASURING TESTING