Yin Hung Lam

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of making eyeglass frame by injection molding
- Patent number 8,828,296
- Issue date Sep 9, 2014
- Okia Optical Company, Ltd.
- Yan Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Eyeglasses and eyeglass frames comprising glycol modified copolyesters
- Patent number 7,753,518
- Issue date Jul 13, 2010
- Okia Optical Co., Ltd
- Yin Sang Lam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of inputting alphanumeric codes by means of 12 keys
- Patent number 6,802,661
- Issue date Oct 12, 2004
- Kai Tai Lee
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
NOVEL METHOD OF MAKING DECORATIVE ARTICLES
- Publication number 20190001620
- Publication date Jan 3, 2019
- Kiao Wild Jewellery Holding Company Limited
- Yin Sang Lam
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD OF MAKING EYEWEAR BY 3D PRINTING
- Publication number 20170057159
- Publication date Mar 2, 2017
- OKIA OPTICAL CO., LTD.
- Yin Sang LAM
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF MAKING EYEGLASS FRAME BY INJECTION MOLDING
- Publication number 20130069274
- Publication date Mar 21, 2013
- OKIA Optical Company, Ltd.
- Yan Zhang
- G02 - OPTICS
Information Patent Application
EYEGLASSES AND EYEGLASS FRAMES COMPRISING GLYCOL MODIFIED COPOLYESTERS
- Publication number 20080218683
- Publication date Sep 11, 2008
- OKIA Optical Company, Ltd.
- Yin Sang Lam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...