Inventor
LI CHENG-JIA
CN12 patents
⚠️ This page may combine multiple inventors who share the name “LI CHENG-JIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD
9 patentsUS12016119B2Jun 18, 2024
Method for manufacturing multilayer printed circuit board
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations61
US11234331B2Jan 25, 2022
Multilayer printed circuit board and method for manufacturing the same
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD1 citations61
US11140785B2Oct 5, 2021
Flexible printed circuit board
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations61
US12520436B2Jan 6, 2026
Circuit board assembly and manufacturing method thereof
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations59
US10638606B2Apr 28, 2020
Composite circuit board
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations51
US10159149B2Dec 18, 2018
Composite circuit board and method of manufacturing the same
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations51
US11950371B2Apr 2, 2024
Method for manufacturing transparent circuit board
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations50
US10542627B2Jan 21, 2020
Method for manufacturing a flexible printed circuit board
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations50
US12310144B2May 20, 2025
Method of manufacturing display module with light emitting diode free of a split-screen boundary line and display module with light emitting diode
HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations49