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

Kai Cheng — 4 Patents

UMUnited Microelectronics: 4 patents #1,253 of 4,560Top 30%
Singapore, SG: #2,348 of 13,971 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kai Cheng has been granted 4 US patents while listed as an inventor at United Microelectronics. The first was granted in 2021 and the most recent in January 2024. Kai Cheng ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kai Cheng in Singapore, SG.

Patents per Year

Patents granted per year, 2021 to 2024Bar chart with a peak of 2 patents in 2022.peak 22021: 1 patents20212022: 2 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11881529 Semiconductor device and method of fabricating the same Purakh Raj Verma, Ching-Yang Wen, Li-Cih Wang 2024-01-23 $733,000
11476363 Semiconductor device and method of fabricating the same Purakh Raj Verma, Ching-Yang Wen, Li-Cih Wang 2022-10-18 $632,000
11296023 Semiconductor device and method of fabricating the same Purakh Raj Verma, Ching-Yang Wen, Li-Cih Wang 2022-04-05 $2,725,000
10923599 Semiconductor device Purakh Raj Verma, Ching-Yang Wen, Li-Cih Wang 2021-02-16 $2,697,000