Inventor
ZHANG QIJUN
CN16 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG QIJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV QINGDAO TECHNOLOGY
4 patentsUS11486804B1Nov 1, 2022
Device for simulating full-scale pile-sinking process of static pressure pile by air bag preloading and test method thereof
UNIV QINGDAO TECHNOLOGY12 citations81
US11635284B1Apr 25, 2023
Testing apparatus for pile end settlement of rock-socketed driven PHC tube pile and installation method
UNIV QINGDAO TECHNOLOGY3 citations66
US12435484B2Oct 7, 2025
System and method for monitoring earth pressure and displacement of miniature steel pipe pile body
UNIV QINGDAO TECHNOLOGY0 citations45
US11384502B2Jul 12, 2022
Concrete inside interface processing structure and method for secant pile construction
UNIV QINGDAO TECHNOLOGY0 citations45
GM GLOBAL TECH OPERATIONS LLC
4 patentsUS9630576B1Apr 25, 2017
Panel assembly with noise attenuation system having a geometric pattern for air gap acoustic impedance
GM GLOBAL TECH OPERATIONS LLC4 citations68
US12468043B2Nov 11, 2025
LiDAR resonator with dynamic force equilibrium
GM GLOBAL TECH OPERATIONS LLC0 citations44
US9630575B2Apr 25, 2017
Panel assembly with noise attenuation system
GM GLOBAL TECH OPERATIONS LLC0 citations38
US10247751B2Apr 2, 2019
Systems, devices, and methods for calculating an internal load of a component
GM GLOBAL TECH OPERATIONS LLC0 citations33
UNIV BEIJING TECHNOLOGY
4 patentsUS11753308B1Sep 12, 2023
Method for separating and extracting rare-earth and regenerating rare-earth polishing powder from rare-earth polishing powder waste
UNIV BEIJING TECHNOLOGY1 citations56
US12119464B2Oct 15, 2024
Method for preferentially recovering manganese from waste lithium-rich manganese-based cathode material
UNIV BEIJING TECHNOLOGY0 citations51
US12006268B2Jun 11, 2024
Method for preparing ecological foamed ceramic from lepidolite filter mud whole waste
UNIV BEIJING TECHNOLOGY0 citations47
US12571071B2Mar 10, 2026
Method for recovering rare-earth in cerium-based rare-earth polishing powder waste by two-step acid leaching gradient separation
UNIV BEIJING TECHNOLOGY0 citations46
CHENGDU BOE OPTOELECT TECH CO
3 patentsUS12253711B2Mar 18, 2025
Backlight module, display module and display apparatus
CHENGDU BOE OPTOELECT TECH CO2 citations71
US11002904B2May 11, 2021
Display device having frame with holes
CHENGDU BOE OPTOELECT TECH CO0 citations59
US11467448B2Oct 11, 2022
Back light unit, display unit and display apparatus
CHENGDU BOE OPTOELECT TECH CO0 citations48