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

Yi Ho Lee — 11 Patents

Cisco: 11 patents #1,278 of 13,007Top 10%
Emmaus, PA: #54 of 365 inventorsTop 15%
Pennsylvania: #7,414 of 74,527 inventorsTop 10%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Yi Ho Lee has been granted 11 US patents while listed as an inventor at Cisco. The first was granted in 2020 and the most recent in September 2024. Yi Ho Lee ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Yi Ho Lee in Emmaus, PA, US.

Patents per Year

Patents granted per year, 2020 to 2024Bar chart with a peak of 4 patents in 2021.peak 42020: 1 patents20202021: 4 patents20212022: 4 patents20222024: 2 patents2024

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12092863 Fabrication-tolerant on-chip multiplexers and demultiplexers Tao Ling, Ravi S. Tummidi, Mark A. Webster, Prakash Gothoskar 2024-09-17 $82,028,000
12035082 Process margin relaxation Tao Ling, Ravi S. Tummidi, Mark A. Webster 2024-07-09 $75,616,000
11523192 Process margin relaxation Tao Ling, Ravi S. Tummidi, Mark A. Webster 2022-12-06 $64,884,000
11520106 Integrated broadband optical couplers with robustness to manufacturing variation Tao Ling, Ravi S. Tummidi, Mark A. Webster 2022-12-06 $64,884,000
11467420 Cascaded arrangement of two-mode Bragg gratings in multiplexing applications Tao Ling, Ravi S. Tummidi, Mark A. Webster 2022-10-11 $36,557,000
11249246 Multiple stage Bragg gratings in multiplexing applications Tao Ling, Ravi S. Tummidi, Mark A. Webster 2022-02-15 $37,512,000
11089391 Process margin relaxation Tao Ling, Ravi S. Tummidi, Mark A. Webster 2021-08-10 $91,449,000
11042050 Polarization splitter-rotator with embedded PIN structure Ming Gai Stanley LO, Vipulkumar Patel, Prakash Gothoskar 2021-06-22 $54,047,000
11002980 Cascaded arrangement of two-mode Bragg gratings in multiplexing applications Tao Ling, Ravi S. Tummidi, Mark A. Webster 2021-05-11 $58,663,000
10935726 Integrated broadband optical couplers with robustness to manufacturing variation Tao Ling, Ravi S. Tummidi, Mark A. Webster 2021-03-02 $40,379,000
10852472 Multiple stage Bragg gratings in multiplexing applications Tao Ling, Ravi S. Tummidi, Mark A. Webster 2020-12-01 $71,689,000