Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chao-Ching Hung — 14 Patents

MEMediatek: 13 patents #202 of 2,888Top 7%
NUNational Taiwan University: 1 patents #729 of 2,195Top 35%
Hsinchu, TW: #1,709 of 13,380 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Chao-Ching Hung has been granted 14 US patents while listed as an inventor at Mediatek. The first was granted in 2010 and the most recent in May 2025. Chao-Ching Hung ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Chao-Ching Hung in Hsinchu, TW.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 3 patents in 2023.peak 32010: 1 patents20102016: 1 patents2017: 1 patents20172018: 1 patents2019: 2 patents20192020: 1 patents2021: 1 patents20212022: 1 patents2023: 3 patents20232024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12308842 Frequency calibration circuit and method for calibrating oscillation frequency of controllable oscillator Chien-Wei Chen, Kairen Fong, Yu-Li Hsueh 2025-05-20
12113480 Crystal oscillator and method for performing startup of crystal oscillator Chien-Wei Chen, Yu-Li Hsueh 2024-10-08
11722139 Frequency-locked loop and method for correcting oscillation frequency of output signal of frequency-locked loop Chien-Wei Chen, Yu-Li Hsueh 2023-08-08
11693089 Apparatus and method for applying frequency calibration to local oscillator signal derived from reference clock output of active oscillator Tzu-Chin Lin, Chih-Ming Hung, Jui-Lin Hsu, Bao-Chi Peng 2023-07-04
11677433 Wireless system having local oscillator signal derived from reference clock output of active oscillator that has no electromechanical resonator Jui-Lin Hsu, Tzu-Chin Lin, Wei-Hsiu Hsu, Yu-Li Hsueh, Jing-Hong Conan Zhan +1 more 2023-06-13
11237249 Apparatus and method for applying frequency calibration to local oscillator signal derived from reference clock output of active oscillator that has no electromechanical resonator Tzu-Chin Lin, Chih-Ming Hung, Jui-Lin Hsu, Bao-Chi Peng 2022-02-01
11139818 Fast-locking phase-locked loop and associated fast-locking method thereof Po-Chun Huang, Yu-Li Hsueh 2021-10-05
10879798 Charge pump circuit with capacitor swapping technique and associated method Yu-Li Hsueh, Kai-Ren Fong 2020-12-29
10483845 Charge pump having level-shifting mechanism Yu-Li Hsueh, Chih-Hsien Shen, Po-Chun Huang 2019-11-19
10374588 Quadrature clock generating mechanism of communication system transmitter Po-Chun Huang, Yu-Li Hsueh, Pang-Ning Chen 2019-08-06
10020777 Voltage controlled oscillator and control method thereof Po-Chun Huang, Yu-Li Hsueh 2018-07-10
9853648 Compensation apparatus and inductor-based apparatus Richard Y. Su, Yu-Li Hsueh, Chih-Hsien Shen, Yi-Chien Tsai 2017-12-26
9467156 Frequency synthesizing module and related frequency gain determining method Yu-Li Hsueh 2016-10-11
7786810 Phase locked loop with leakage current calibration Shen-Iuan Liu, Jung-Yu Chang 2010-08-31