Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
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Chia-Jung Chang

TSMC: 8 patents #340 of 3,957Top 9%
RT Richtek Technology: 2 patents #14 of 87Top 20%
AM Amazon: 1 patents #786 of 3,722Top 25%
📍 Hsinchu, MA: #2 of 23 inventorsTop 9%
Overall (2025): #5,334 of 469,880Top 2%
11
Patents 2025

Issued Patents 2025

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12407252 Switching regulator and operation clock signal generator circuit and control method thereof Shao-Ming Chang, Tsan-He Wang, Jiing-Horng Wang, Yu-Pin Tseng 2025-09-02
12407256 Switching regulator and control method thereof Jiing-Horng Wang, Yu-Pin Tseng, Tsan-He Wang, Shao-Ming Chang 2025-09-02
12401189 ESD power clamp devices and circuits Jam-Wem Lee, Wun-Jie Lin, Li-Wei Chu 2025-08-26
12355440 Slew rate controlled output buffer circuit and semiconductor device Ryota Terauchi 2025-07-08
12334929 Input hysteresis buffer in overdrive design Chia-Wei Kuo, Yu-Kai Tsai 2025-06-17
12308045 Acoustic event detection Qingming Tang, Chieh-Chi Kao, Qin Zhang, Ming Sun, Chao Wang +3 more 2025-05-20
12300692 Semiconductor device with ESD protection and methods of operating and configuring the same Chia-Hui Chen, Bo-Ting Chen 2025-05-13
12301219 Overdrive I/O ESD protection network Chia-Hui Chen, Yu-Kai Tsai 2025-05-13
12259429 Voltage tracking circuit and method of operating the same Hsiang-Hui Cheng 2025-03-25
12204313 Method of making semiconductor devices and control system for performing the same Ching-Hsi Nan, Yu-Hsiu Fu 2025-01-21
12191851 Method for operating semiconductor device including multi-gated I/O system Shao-Te Wu, Shih-Peng Chang 2025-01-07