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

Wei-Chun Chang

QIQisda: 8 patents #21 of 490Top 5%
CCChitec Technology Co.: 3 patents #2 of 11Top 20%
UMUnited Microelectronics: 3 patents #1,523 of 4,560Top 35%
PCPhihong Technology Co.: 2 patents #9 of 40Top 25%
UCUnited Semiconductor (Xiamen) Co.: 2 patents #19 of 75Top 30%
BEBenq: 2 patents #145 of 580Top 25%
ITITRI: 2 patents #3,461 of 9,619Top 40%
QCQuanta Computer: 2 patents #439 of 1,295Top 35%
BPBellicum Pharmaceuticals: 2 patents #4 of 7Top 60%
University Of Texas System: 1 patents #2,951 of 6,559Top 45%
QCQisda Optronics (Suzhou) Co.: 1 patents #6 of 20Top 30%
CCCvitek Co.: 1 patents #3 of 14Top 25%
Glenside, PA: #7 of 164 inventorsTop 5%
Pennsylvania: #2,031 of 74,527 inventorsTop 3%
Overall (All Time): #135,627 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6970643 Radiator having a fan in variable rotation speed 2005-11-29
6894441 Method and apparatus for detecting remaining lamp lifetime 2005-05-17
5200474 Polyimide adhesive composition including barbituric acid modifier Ker-Ming Chen, Jing-Pin Pan, Gwo-Yuh Shiau, Tsung-Hsiung Wang 1993-04-06