Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Rui CHAO — 6 Patents

UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
Microsoft: 2 patents #17,644 of 40,388Top 45%
ACAlibaba Damo (Hangzhou) Technology Co.: 1 patents #10 of 32Top 35%
ITITRI: 1 patents #5,197 of 9,619Top 55%
Los Angeles, CA: #2,133 of 12,377 inventorsTop 20%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Rui CHAO has been granted 6 US patents while listed as an inventor at United Microelectronics. The first was granted in 1994 and the most recent in June 2025. Rui CHAO ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Rui CHAO in Los Angeles, CA, US.

Patents per Year

Patents granted per year, 1994 to 2025Bar chart with a peak of 2 patents in 2025.peak 21994: 1 patents19941999: 1 patents19992000: 1 patents20002023: 1 patents20232025: 2 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12333387 Logical qubit encoding surface Nicolas Guillaume DELFOSSE, Michael Edward BEVERLAND, Jeongwan Haah 2025-06-17
12301251 Scalable surface code decoders with parallelization in time Fang Zhang, Xinyu Tan, Yaoyun Shi, Jianxin Chen 2025-05-13
11599817 Logical qubit encoding surface Nicolas Guillaume DELFOSSE, Michael Edward BEVERLAND, Jeongwan Haah 2023-03-07 $179,719,000
6097729 Network switcher 2000-08-01
5915097 Method and apparatus for data storage and search in an address table of an ethernet switch 1999-06-22
5305111 Run length encoding method and system Yu-Cherng Chen, Ming-Hsu Tu 1994-04-19