Qingyun Yan

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Benxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Coloring solution for dental zirconia ceramics and method for using...
- Patent number 9,554,881
- Issue date Jan 31, 2017
- SHENZHEN UPCERA DENTAL TECHNOLOGY CO., LTD.
- Hongjuan Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of changing translucent properties of zirconia dental materials
- Patent number 8,697,176
- Issue date Apr 15, 2014
- Liaoning Upcera Co., Ltd.
- Hongjuan Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
COLORING SOLUTION FOR DENTAL ZIRCONIA CERAMICS AND METHOD FOR USING...
- Publication number 20150122147
- Publication date May 7, 2015
- SHENZHEN UPCERA DENTAL TECHNOLOGY CO., LTD
- Hongjuan Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF CHANGING TRANSLUCENT PROPERTIES OF ZIRCONIA DENTAL MATERIALS
- Publication number 20130115365
- Publication date May 9, 2013
- LIAONING UPCERA CO. LTD.
- Hongjuan Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES