Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CW

Ching-San Wu — 4 Patents

MEMediatek: 3 patents #879 of 2,888Top 35%
Baoshan, TW: #984 of 3,661 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ching-San Wu has been granted 4 US patents while listed as an inventor at Mediatek. The first was granted in 2004 and the most recent in November 2025. Ching-San Wu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ching-San Wu in Baoshan, TW.

Patents per Year

Patents granted per year, 2004 to 2009Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042007: 1 patents20072009: 1 patents2009

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12482682 Systems and methods for inspection stations Yanjing Liu, Chun-Chiang Chen 2025-11-25
7526701 Method and apparatus for measuring group delay of a device under test Chien-Ming Chen 2009-04-28
7157949 Delay locked loop capable of preventing false lock and method thereof Chien-Ming Chen 2007-01-02
6710666 Charge pump structure for reducing capacitance in loop filter of a phase locked loop Chien-Ming Chen 2004-03-23