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

Chih-Kai Kang — 2 Patents in 2021

UMUnited Microelectronics: 2 patents #125 of 616Top 25%
Overall (2021): #173,271 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11195831 3D semiconductor structure and method of fabricating the same Yung-Chen Chiu, Sheng-Yuan Hsueh, Kuo-Hsing Lee, Chien-Liang Wu, Guan-Kai Huang 2021-12-07 $3,310,000
10991757 Magnetoresistive random access memory Ting-Hsiang Huang, Yi-Chung Sheng, Sheng-Yuan Hsueh, Kuo-Hsing Lee 2021-04-27 $2,111,000