Kuo-Chang Cheng

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New Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Ultraviolet curing device
- Patent number D705488
- Issue date May 20, 2014
- Cosmex Co., Ltd.
- Kuo-Chang Cheng
- D28 - Cosmetic products and toilet articles
Information Patent Grant
Ultraviolet nail curing device
- Patent number D687600
- Issue date Aug 6, 2013
- Cosmex Co., Ltd.
- Kuo-Chang Cheng
- D28 - Cosmetic products and toilet articles
Information Patent Grant
Light solidifying device
- Patent number D680272
- Issue date Apr 16, 2013
- Cosmex Co., Ltd.
- Kuo-Chang Cheng
- D28 - Cosmetic products and toilet articles