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Inventor
LI XIJUN
CN
2 patents
⚠️ This page may combine multiple inventors who share the name “LI XIJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT INST FOR MATERIALS SCIENCE
1 patent
US7976717B2
Jul 12, 2011
Method of forming polarization reversal area, apparatus thereof and device using it
NAT INST FOR MATERIALS SCIENCE
7 citations
81
CHINA CERTIFICATION & ACCREDITATION ASS
1 patent
US10679225B2
Jun 9, 2020
System for examining service certifications with multi-sides based on customer experiences
CHINA CERTIFICATION & ACCREDITATION ASS
0 citations
18