Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chunwei Chang — 4 Patents

MEMediatek: 1 patents #1,722 of 2,888Top 60%
MPMediatek Singapore Pte.: 1 patents #350 of 734Top 50%
Apple: 1 patents #12,397 of 18,612Top 70%
Disney: 1 patents #4,015 of 6,686Top 65%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Chunwei Chang has been granted 4 US patents while listed as an inventor at Apple. The first was granted in 2010 and the most recent in December 2020. Chunwei Chang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Chunwei Chang in San Jose, CA, US.

Patents per Year

Patents granted per year, 2010 to 2020Bar chart with a peak of 1 patents in 2010.peak 12010: 1 patents20102014: 1 patents20142016: 1 patents20162020: 1 patents2020

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10873335 Divider control and reset for phase-locked loops Cristian Marcu, Feng Zhao, Wei Deng, Robert K. Kong, Saeed Chehrazi 2020-12-22 $332,226,000
9425949 Communication unit and sliced radio frequency module therefor Neric Hsin-wu Fong, Siu-Chuang Ivan Lu 2016-08-23
8791732 Phase locked loop Jui-Lin Hsu, Chih-Hsien Shen, Jing-Hong Conan Zhan 2014-07-29
7852168 Power-efficient biasing circuit Yonghua Song, Chun Geik Tan, Randy Tsang 2010-12-14 $5,934,000