Inventor
ZHU XIULING
HK28 patents
⚠️ This page may combine multiple inventors who share the name “ZHU XIULING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHENZHEN DIKAI IND CO LTD
10 patentsUSD816993SMay 8, 2018
Jewelry box
SHENZHEN DIKAI IND CO LTD13 citations83
US9453808B2Sep 27, 2016
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD6 citations83
US11243170B2Feb 8, 2022
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD2 citations72
US11073482B2Jul 27, 2021
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD2 citations72
USD1116878SMar 10, 2026
Tester
SHENZHEN DIKAI IND CO LTD0 citations61
US12235212B1Feb 25, 2025
Precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD0 citations51
US12130238B2Oct 29, 2024
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD0 citations51
US10539510B2Jan 21, 2020
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD0 citations51
US10203317B2Feb 12, 2019
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD0 citations51
US10203288B2Feb 12, 2019
Multi-functional precious stone testing apparatus and method thereof
SHENZHEN DIKAI IND CO LTD0 citations40
ZHU XIULING
6 patentsUS8937612B2Jan 20, 2015
Coordinate locating method, coordinate locating device, and display apparatus comprising the coordinate locating device
ZHU XIULING10 citations82
US8576200B2Nov 5, 2013
Multiple-input touch panel and method for gesture recognition
ZHU XIULING8 citations76
USD1001487SOct 17, 2023
Key chain
ZHU XIULING3 citations72
US8947111B2Feb 3, 2015
Multi-functional precious stone testing apparatus and method thereof
ZHU XIULING6 citations71
US8711125B2Apr 29, 2014
Coordinate locating method and apparatus
ZHU XIULING4 citations68
US9507462B2Nov 29, 2016
Multi-dimensional image detection apparatus
ZHU XIULING1 citations42
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD
5 patentsUS10331008B1Jun 25, 2019
Beam-steering apparatus with fast response and enhanced steering resolution
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD7 citations80
US10983262B2Apr 20, 2021
Rotational geometric phase hologram with application for fabricating geometric phase optical element
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD0 citations48
US11269203B2Mar 8, 2022
Multifocal system with polarization-independent focusing
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD0 citations45
US11358407B2Jun 14, 2022
Multilayered optical security device
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD0 citations39
US9465486B2Oct 11, 2016
Portable interactive whiteboard module
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD0 citations33