Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CL

Che-Hung Lin

ALAltek: 6 patents #21 of 158Top 15%
RSRealtek Semiconductor: 6 patents #238 of 1,741Top 15%
EPEpistar: 4 patents #251 of 732Top 35%
DEDelta Electronics: 4 patents #492 of 2,746Top 20%
QCQuanta Computer: 2 patents #439 of 1,295Top 35%
AEAnpec Electronics: 2 patents #70 of 139Top 55%
PTPowerchip Technology: 2 patents #35 of 138Top 30%
LELextar Electronics: 1 patents #163 of 296Top 60%
JCJute Industrial Co.: 1 patents #2 of 3Top 70%
Overall (All Time): #134,388 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
8138834 Current control circuit, class AB operational amplifier system and current control method Ming-Hung Chang 2012-03-20
8130038 Class AB operational amplifier and output stage quiescent current control method Ming-Hung Chang 2012-03-06
7822327 Method for automatically selecting scene mode Chung-Fang Chien 2010-10-26