Akira MATSUNAGA

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Amagasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Membrane defect inspection method and membrane defect inspection de...
- Patent number 11,986,773
- Issue date May 21, 2024
- Kubota Corporation
- Keishi Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Membrane defect inspection method and membrane defect inspection de...
- Patent number 11,890,581
- Issue date Feb 6, 2024
- Kubota Corporation
- Keishi Watanabe
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MEMBRANE DEFECT INSPECTION METHOD AND MEMBRANE DEFECT INSPECTION DE...
- Publication number 20220023802
- Publication date Jan 27, 2022
- Kubota Corporation
- Keishi WATANABE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MEMBRANE DEFECT INSPECTION METHOD AND MEMBRANE DEFECT INSPECTION DE...
- Publication number 20210394123
- Publication date Dec 23, 2021
- Kubota Corporation
- Keishi WATANABE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL