Tsung-Wen Chen

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Taipei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pair of eyeglasses with easily-installed and easily-changed eyeglas...
- Patent number 9,395,553
- Issue date Jul 19, 2016
- HWA MAO OPTICAL (XIAMEN) CO., LTD.
- Tsung-Wen Chen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ANTI-POLLEN GLASSES
- Publication number 20210341763
- Publication date Nov 4, 2021
- HWA MAO OPTICAL (XIAMEN) CO., LTD.
- TSUNG-WEN CHEN
- G02 - OPTICS
Information Patent Application
PAIR OF EYEGLASSES WITH EASILY-INSTALLED AND EASILY-CHANGED EYEGLAS...
- Publication number 20140226120
- Publication date Aug 14, 2014
- HWA MAO OPTICAL (XIAMEN) CO., LTD.
- Tsung-Wen Chen
- G02 - OPTICS