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

Li Yan — 21 Patents

SNSnowflake: 8 patents #108 of 448Top 25%
ATAT&T: 6 patents #3,060 of 18,772Top 20%
ZLZhejiang Lab: 2 patents #59 of 308Top 20%
Amazon: 2 patents #7,232 of 19,158Top 40%
Broadcom: 1 patents #5,859 of 9,346Top 65%
DCDelta Electronics (Shanghai) Co.: 1 patents #305 of 555Top 55%
ASAviatrix Systems: 1 patents #17 of 27Top 65%
Redmond, WA: #546 of 8,547 inventorsTop 7%
Washington: #4,391 of 76,902 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Li Yan has been granted 21 US patents while listed as an inventor at Snowflake. The first was granted in 1995 and the most recent in June 2025. Li Yan ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Li Yan in Redmond, WA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12321350 Query block boundary identification Walter Zhen Cai, Sangyong Hwang, Wesley A. Leung, Sourav Sikdar 2025-06-03
12316540 Private management of multi-cloud overlay network Nicolas Delecroix, Spencer Witkin, Saad Mirza 2025-05-27
12026160 Query plan cache in database systems Thierry Cruanes, Xuelai Cui, Sangyong Hwang, Allison Waingold Lee, Boyung Lee +4 more 2024-07-02 $63,893,000
12019571 Communication method for multi-chip neural network algorithm based on FPGA main control Songnan Ren, Zhiwei Liu, Tang Hu, Xiangdi Li, Jiani Gu +2 more 2024-06-25
12007994 Partition granular selectivity estimation for predicates Sangyong Hwang, Adem Khachnaoui, Yongsik Yoon 2024-06-11 $57,083,000
11972504 Method and system for overlapping sliding window segmentation of image based on FPGA Tang Hu, Xiao Yu, Xiangdi Li, Songnan Ren 2024-04-30
11687531 Estimated execution time for query execution Sangyong Hwang, Sourav Sikdar 2023-06-27 $166,766,000
11645281 Caching query plans in database systems Thierry Cruanes, Xuelai Cui, Sangyong Hwang, Allison Waingold Lee, Boyung Lee +4 more 2023-05-09 $75,817,000
11544263 Dynamic query execution using estimated execution time Sangyong Hwang, Sourav Sikdar 2023-01-03 $81,652,000
11461327 Query plan caching for networked database systems Thierry Cruanes, Xuelai Cui, Sangyong Hwang, Allison Waingold Lee, Boyung Lee +4 more 2022-10-04 $74,992,000
11314740 Responsive plan stability Sangyong Hwang, Sourav Sikdar 2022-04-26 $180,825,000
10346523 Content synchronization across devices Patrick Joseph Armstrong, Yousef Zachary Khwaja, Sajeeva Lakmal Bandara Pallemulle, Vincent Roseberry, Arun Sundaram +2 more 2019-07-09 $104,170,000
9941805 Frequency and duty cycle strategies for DC/DC converters Chao Yan, Li-Ping Sun 2018-04-10
9792266 Content synchronization across devices Patrick Joseph Armstrong, Yousef Zachary Khwaja, Sajeeva Lakmal Bandara Pallemulle, Vincent Roseberry, Arun Sundaram +2 more 2017-10-17 $37,690,000
8407568 Method and system for a soft-output Nordstrom-Robinson decoder Zvi Bernstein, Mike Grimwood 2013-03-26 $5,414,000
5687095 Video transmission rate matching for multimedia communication systems Barin Geoffry Haskell 1997-11-11 $32,498,000
5629736 Coded domain picture composition for multimedia communications systems Barin Geoffry Haskell 1997-05-13 $27,213,000
5623312 Compressed-domain bit rate reduction system Barin Geoffry Haskell 1997-04-22 $5,752,000
5604502 Motion video compression system with inverse discrete cosine transform mismatch control Barin Geoffry Haskell 1997-02-18 $22,553,000
5512956 Adaptive spatial-temporal postprocessing for low bit-rate coded image sequences 1996-04-30
5438374 System and method for filtering video signals 1995-08-01