Takanori Kumei

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper alloy fastener element and slide fastener
- Patent number 11,246,382
- Issue date Feb 15, 2022
- YKK Corporation
- Takanori Kumei
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Copper alloy fastener element and slide fastener
- Patent number 10,918,171
- Issue date Feb 16, 2021
- YKK Corporation
- Takanori Kumei
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Metallic fastener member having light gold color, and fastener prov...
- Patent number 10,161,019
- Issue date Dec 25, 2018
- YKK Corporation
- Yasuharu Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
COPPER ALLOY FASTENER ELEMENT AND SLIDE FASTENER
- Publication number 20210045502
- Publication date Feb 18, 2021
- YKK Corporation
- Takanori Kumei
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Copper Alloy Fastener Element and Slide Fastener
- Publication number 20190269207
- Publication date Sep 5, 2019
- YKK Corporation
- Takanori Kumei
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Metallic Fastener Member Having Light Gold Color, and Fastener Prov...
- Publication number 20170349976
- Publication date Dec 7, 2017
- YKK Corporation
- Yasuharu Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...