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USPTO Patent Rankings Data through Sept 30, 2025
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Wei Ta — 4 Patents in 2018

UMUnited Microelectronics: 4 patents #72 of 636Top 15%
Singapore, SG: #54 of 1,498 inventorsTop 4%
Overall (2018): #33,546 of 503,207Top 7%
4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10121869 Method of manufacturing semiconductor memory device Weichang Liu, Zhen Chen, Shen-De Wang, Wang Xiang 2018-11-06
10020385 Memory cell and manufacturing method thereof Yi-Shan Chiu, Shen-De Wang, Zhen Chen, Yuan-Hsiang Chang, Chih-Chien Chang +1 more 2018-07-10
9978758 Flash memory cell Weichang Liu, Zhen Chen, Shen-De Wang, Wang Xiang, Chuan Sun 2018-05-22
9865693 Semiconductor memory cell, semiconductor memory device, and method of manufacturing semiconductor memory device Weichang Liu, Zhen Chen, Shen-De Wang, Wang Xiang 2018-01-09