Yin Sang Lam

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a decorative article with sealed decorative...
- Patent number 8,652,385
- Issue date Feb 18, 2014
- Okia Optical Company Ltd.
- Yin Sang Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dual lens eyeglasses
- Patent number 8,545,010
- Issue date Oct 1, 2013
- Okia Optical Co. Ltd
- Yin Sang Lam
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR MICROPLASTIC IDENTIFICATION WITH POLARIZED...
- Publication number 20240328928
- Publication date Oct 3, 2024
- The University of Hong Kong
- Yanmin ZHU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dual Lens Eyeglasses
- Publication number 20120099074
- Publication date Apr 26, 2012
- OKIA OPTICAL COMPANY LIMITED
- Yin Sang LAM
- G02 - OPTICS
Information Patent Application
EYEGLASS FRAME WITH EMBEDDED DESIGN PATTERN AND MANUFACTURING METHO...
- Publication number 20090174860
- Publication date Jul 9, 2009
- Okia Optical Company, Ltd.
- Yin Sang Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Reading lens
- Publication number 20060028616
- Publication date Feb 9, 2006
- OKIA Optical Co., Ltd.
- Yin Sang Lam
- G02 - OPTICS