Inventor
ZHANG CHANGHUA
US7 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG CHANGHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GUANGDONG BAOLUN ELECTRONICS CO LTD
4 patentsUS12348797B2Jul 1, 2025
Method for implementing coding and decoding of YUV444 image on basis of H.265
GUANGDONG BAOLUN ELECTRONICS CO LTD0 citations49
US12092276B2Sep 17, 2024
Lamp having dynamic starry sky effect
GUANGDONG BAOLUN ELECTRONICS CO LTD0 citations44
US12348890B2Jul 1, 2025
Seamless video switching method and system in video matrix
GUANGDONG BAOLUN ELECTRONICS CO LTD0 citations39
US12561105B2Feb 24, 2026
Online electronic whiteboard content synchronization and sharing system
GUANGDONG BAOLUN ELECTRONICS CO LTD0 citations38
CHINA PETROLEUM & CHEM CORP
2 patentsUS12320941B2Jun 3, 2025
Methods and apparatuses for seismic characterization of subsurface formations
CHINA PETROLEUM & CHEM CORP0 citations49
US11281825B2Mar 22, 2022
Computer-implemented method for high speed multi-source loading and retrieval of wavefields employing finite difference models
CHINA PETROLEUM & CHEM CORP0 citations45