Inventor

MA ZHONGCHENG

CN2 patents

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

CHINA BUILDING MAT ACADEMY CO LTD

1 patent

US12065378B2Aug 20, 2024

Method for preparing low-background cement

CHINA BUILDING MAT ACADEMY CO LTD0 citations54

XU QUAN

1 patent

US9282278B2Mar 8, 2016

Method, multimedia system and network side device for recording program

XU QUAN1 citations42