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Shigeki Annaka
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Toyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Slide fastener
Patent number
11,202,487
Issue date
Dec 21, 2021
YKK Corporation
Yu Chen Tung
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Rotation mechanism of separable stopper for slide fastener and slid...
Patent number
10,874,179
Issue date
Dec 29, 2020
YKK Corporation
Shigeyoshi Takazawa
A44 - HABERDASHERY JEWELLERY
Patents Applications
last 30 patents
Information
Patent Application
SLIDE FASTENER
Publication number
20200275745
Publication date
Sep 3, 2020
YKK Corporation
Yu Chen TUNG
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
Rotation Mechanism of Separable Stopper for Slide Fastener and Slid...
Publication number
20200015554
Publication date
Jan 16, 2020
YKK Corporation
Shigeyoshi Takazawa
A44 - HABERDASHERY JEWELLERY