RL

Ronghua Liu

CL Coopervision International Limited: 4 patents #58 of 201Top 30%
WC Wuhan Jingce Electronic Group Co.: 2 patents #6 of 25Top 25%
BL Byd Company Limited: 1 patents #476 of 1,165Top 45%
📍 Lo Wu, CA: #322 of 469 inventorsTop 70%
Overall (All Time): #392,668 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
D1082718 Data transmission cable 2025-07-08
12203809 Chromaticity measurement method and device for calibration of tiled LED display screen Changdong Ou, Zengqiang Zheng, Shiwen Luo, Zhikun Hong, Zhou Wang +5 more 2025-01-21
12174461 Sustained release of oleic acid from contact lenses Jing Ni 2024-12-24
12153287 Sustained fatty acid release from contact lens Jing Ni 2024-11-26
12127375 Pump drive device Ping-Liang Chen, Jiechuang Zhou 2024-10-22
11767374 Method and use of Radix puerariae polysaccharide in promoting lipid-lowering activity Hui Ouyang, Quan Wen, WeiFeng Zhu, YuLin Feng, YongMei Guan +2 more 2023-09-26
D953330 Smart card reader 2022-05-31
11081029 Method for evaluating brightness measurement accuracy of Demura equipment Xiaofan Feng, Zengqiang Zheng, Zhao Liu, Erwei Ma, Hongjun Wu +1 more 2021-08-03
D894905 Ethernet OTG card reader adapter 2020-09-01
9647293 Gel polymer composite electrolyte, polymer lithium ion battery comprising the gel polymer composite electrolyte and methods of preparing the same Jun Shan, Lina Jin 2017-05-09
8658748 Silicone hydrogel contact lenses having acceptable levels of energy loss Xinfeng Shi, Yuwen Liu, Charlie Chen, Ye Hong, Charles A. Francis +3 more 2014-02-25
8481662 Silicone hydrogel contact lenses having acceptable levels of energy loss Xinfeng Shi, Yuwen Liu, Charlie Chen, Ye Hong, Charles A. Francis +3 more 2013-07-09