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USPTO Patent Rankings Data through Sept 30, 2025
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Ching-Yun Chang — 4 Patents in 2017

UMUnited Microelectronics: 4 patents #73 of 613Top 15%
Yuanchang, TW: #2 of 49 inventorsTop 5%
Overall (2017): #50,148 of 506,227Top 10%
4 Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9728467 Method for modulating work function of semiconductor device having metal gate structure by gas treatment Yun-Tzu Chang, Shih-Min Chou, Kuo-Chih Lai, Hsiang-Chieh Yen, Yen-Chen Chen +3 more 2017-08-08
9691704 Semiconductor structure and method for manufacturing the same Kuo-Chih Lai, Chia-Chang Hsu, Nien-Ting Ho, Yen-Chen Chen, Shih-Min Chou +4 more 2017-06-27
9659937 Semiconductor process of forming metal gates with different threshold voltages and semiconductor structure thereof Chi-Mao Hsu, Wei-Ming Hsiao, Nien-Ting Ho, Kuo-Chih Lai 2017-05-23
9576803 Method for tuning metal gate work function before contact formation in fin-shaped field effect transistor manufacturing process Kuo-Chih Lai, Yang Lu, Yen-Chen Chen, Shih-Min Chou, Yun-Tzu Chang +3 more 2017-02-21