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

Andrew C. Chang — 21 Patents

MEMediatek: 14 patents #178 of 2,888Top 7%
Apple: 4 patents #6,401 of 18,612Top 35%
UMUnited Microelectronics: 1 patents #2,686 of 4,560Top 60%
Sunnyvale, CA: #1,210 of 14,302 inventorsTop 9%
California: #27,449 of 386,348 inventorsTop 8%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Andrew C. Chang has been granted 21 US patents while listed as an inventor at Mediatek. The first was granted in 1999 and the most recent in May 2025. Andrew C. Chang ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Andrew C. Chang in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 1999 to 2025Bar chart with a peak of 3 patents in 2015.peak 31999: 1 patents19992002: 1 patents2005: 1 patents20052007: 1 patents2014: 1 patents20142015: 3 patents2017: 1 patents20172019: 2 patents2020: 3 patents20202021: 2 patents2022: 1 patents20222023: 1 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12308670 Wireless power system with communications Parin Patel, Daniel P. Kumar 2025-05-20
12308671 Wireless power system with communications Parin Patel, Daniel P. Kumar 2025-05-20
12222794 Management of near field communications using a low power express mode of an electronic device Yong Wang, Gordon Y. Scott, Scott Alan Williams 2025-02-11
11693467 Electronic device functionality in low power mode Langford M. Wasada, Arun Unkn, Sriram Hariharan, Robert W. Brumley, Raman S. Thiara 2023-07-04
11469201 Semiconductor package and method for fabricating base for semiconductor package Tzu-Hung Lin, Wen-Sung Hsu, Ta-Jen Yu 2022-10-11
11121590 Wireless power system with communications Parin Patel, Daniel P. Kumar 2021-09-14 $182,808,000
11086387 Management of near field communications using a low power express mode of an electronic device Yong Wang, Gordon Y. Scott, Scott Alan Williams 2021-08-10 $279,194,000
10580747 Semiconductor package and method for fabricating base for semiconductor package Tzu-Hung Lin, Wen-Sung Hsu, Ta-Jen Yu 2020-03-03
10573615 Semiconductor package and method for fabricating base for semiconductor package Tzu-Hung Lin, Wen-Sung Hsu, Ta-Jen Yu 2020-02-25
10573616 Semiconductor package and method for fabricating base for semiconductor package Tzu-Hung Lin, Wen-Sung Hsu, Ta-Jen Yu 2020-02-25
10354974 Structure and formation method of chip package structure Wen-Sung Hsu, Shih-Chin Lin, Tao Cheng 2019-07-16
10186488 Manufacturing method of semiconductor package and manufacturing method of semiconductor device Wen-Sung Hsu, Shih-Chin Lin, Tao Cheng 2019-01-22
9761534 Semiconductor package, semiconductor device using the same and manufacturing method thereof Wen-Sung Hsu, Shih-Chin Lin, Tao Cheng 2017-09-12
9177899 Semiconductor package and method for fabricating base for semiconductor package Tzu-Hung Lin, Wen-Sung Hsu, Ta-Jen Yu 2015-11-03
9040359 Molded interposer package and method for fabricating the same Thomas Matthew Gregorich, Tzu-Hung Lin 2015-05-26
8957518 Molded interposer package and method for fabricating the same Thomas Matthew Gregorich, Tzu-Hung Lin 2015-02-17
8859340 Molded interposer package and method for fabricating the same Thomas Matthew Gregorich, Tzu-Hung Lin 2014-10-14
7193944 Information recording device and method of the same 2007-03-20
6928038 Circuit for protecting synchronizing patterns Chao-Long Tsai, Szu-Shan Lo 2005-08-09
6496126 Digitization apparatus and method using a finite state machine in feedback loop Jing-Hong Conan Zhan, Chi-Kwong Ho 2002-12-17
5974088 Digital data slicer 1999-10-26