Inventor

YAN QINGYUN

CN2 patents

⚠️ This page may combine multiple inventors who share the name “YAN QINGYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WANG HONGJUAN

1 patent

US8697176B2Apr 15, 2014

Method of changing translucent properties of zirconia dental materials

WANG HONGJUAN23 citations88

SHENZHEN UPCERA DENTAL TECH CO LTD

1 patent

US9554881B2Jan 31, 2017

Coloring solution for dental zirconia ceramics and method for using the same

SHENZHEN UPCERA DENTAL TECH CO LTD8 citations76