Chi Ho Lam

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic laminate, decorative part for eyewear and process of...
- Patent number 10,401,644
- Issue date Sep 3, 2019
- Okia Optical Co., Ltd
- Yan Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermoplastic laminate, decorative part for eyewear and process of...
- Patent number 9,594,256
- Issue date Mar 14, 2017
- OKIA Optical Co., Ltd.
- Yan Zhang
- B44 - DECORATIVE ARTS

Patents Applicationslast 30 patents

Information Patent Application
THERMOPLASTIC LAMINATE, DECORATIVE PART FOR EYEWEAR AND PROCESS OF...
- Publication number 20170131564
- Publication date May 11, 2017
- OKIA OPTICAL CO., LTD.
- Yan Zhang
- B44 - DECORATIVE ARTS
Information Patent Application
THERMOPLASTIC LAMINATE, DECORATIVE PART FOR EYEWEAR AND PROCESS OF...
- Publication number 20150219921
- Publication date Aug 6, 2015
- OKIA OPTICAL CO., LTD.
- Yan Zhang
- B44 - DECORATIVE ARTS