Inventor

LI CHENGFENG

CN4 patents

⚠️ This page may combine multiple inventors who share the name “LI CHENGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NANJING UNIVERSITY OF TECHNOLOGY

1 patent

US7022639B2Apr 4, 2006

Catalytic activity accelerant used in petroleum hydrogenation

NANJING UNIVERSITY OF TECHNOLOGY2 citations56

CHANGXIN MEMORY TECH INC

1 patent

US12500163B2Dec 16, 2025

Semiconductor structure and manufacturing method thereof

CHANGXIN MEMORY TECH INC0 citations53

QINGDAO INST MARINE GEOLOGY

1 patent

US10858914B2Dec 8, 2020

Silty marine natural gas hydrate gravel stimulation mining method and mining device

QINGDAO INST MARINE GEOLOGY0 citations45

BOE TECHNOLOGY GROUP CO LTD

1 patent

US10613344B2Apr 7, 2020

3D display apparatus and method for driving the 3D display apparatus

BOE TECHNOLOGY GROUP CO LTD0 citations41