Yoshihiro Kohsaka

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fastener stringer and slide fastener
- Patent number 10,687,591
- Issue date Jun 23, 2020
- YKK Corporation
- Takumi Arai
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Method of producing a fastener element
- Patent number 10,194,720
- Issue date Feb 5, 2019
- YKK Corporation
- Takumi Arai
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
Fastener Element, Fastener Stringer, and Slide Fastener
- Publication number 20180132573
- Publication date May 17, 2018
- YKK Corporation
- Takumi Arai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of Producing a Fastener Element, Apparatus for Producing the...
- Publication number 20170071295
- Publication date Mar 16, 2017
- YKK Corporation
- Takumi Arai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL