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

Wei-Chun Chang — 7 Patents in 2021

QIQisda: 5 patents #2 of 85Top 3%
CCChitec Technology Co.: 1 patents #1 of 4Top 25%
UCUnited Semiconductor (Xiamen) Co.: 1 patents #6 of 22Top 30%
Glenside, PA: #1 of 21 inventorsTop 5%
Pennsylvania: #121 of 7,685 inventorsTop 2%
Overall (2021): #14,577 of 548,734Top 3%
7 Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11134206 Imaging system Tsung-Hsun Wu 2021-09-28
11024704 Manufacturing method of capacitor structure Han-Min Huang, You-Di Jhang, Wen Yi Tan 2021-06-01
10958882 Projection device and photo coupler circuit for the same Tsung-Hsun Wu 2021-03-23
10935875 Projector with a dust resistance capability for long term operations Jen-Te Chuang 2021-03-02
10911729 Imaging system Tsung-Hsun Wu 2021-02-02
10900815 Color wheel phase detection method and projector using the same Chun-Kun Yu, Chien-Wei Sung 2021-01-26
10894873 Ultraviolet absorbing compound and applications thereof Chingfan Chris Chiu, Huang-Min WU, Yi-Shuo HUANG 2021-01-19