Tatsumi Wakai

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Toyama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coil-type slide fastener
- Patent number 6,314,623
- Issue date Nov 13, 2001
- YKK Corporation
- Tatsumi Wakai
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Slide fastener made of synthetic resin
- Patent number 6,230,373
- Issue date May 15, 2001
- YKK Corporation
- Tatsumi Wakai
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Warp-knit tape for slide fastener
- Patent number 6,082,148
- Issue date Jul 4, 2000
- YKK Corporation
- Tatsumi Wakai
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Fastener tape and stringer for a slide fastener chain
- Patent number 5,983,465
- Issue date Nov 16, 1999
- YKK Corporation
- Tatsumi Wakai
- A44 - HABERDASHERY JEWELLERY