Shuyu Co., Ltd.

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Fukui-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarized lens
- Patent number 9,097,905
- Issue date Aug 4, 2015
- SHUYU CO., LTD.
- Yuichi Sakai
- G02 - OPTICS
Information Patent Grant
Frame structure for eyeglasses having a spring-hinge
- Patent number 5,818,567
- Issue date Oct 6, 1998
- Shuyu Co., Ltd.
- Yuichi Sakai
- G02 - OPTICS
Information Patent Grant
Eyeglasses having improved lens fastening member
- Patent number 5,523,806
- Issue date Jun 4, 1996
- Shuyu Co., Ltd.
- Yuichi Sakai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
POLARIZED LENS
- Publication number 20140146379
- Publication date May 29, 2014
- Shuyu Co., Ltd
- Yuichi SAKAI
- G02 - OPTICS

Trademarklast 30 trademarks