Inventor
LING TAO
US28 patents
⚠️ This page may combine multiple inventors who share the name “LING TAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CISCO TECH INC
20 patentsUS10935726B1Mar 2, 2021
Integrated broadband optical couplers with robustness to manufacturing variation
CISCO TECH INC29 citations93
US11002980B1May 11, 2021
Cascaded arrangement of two-mode Bragg gratings in multiplexing applications
CISCO TECH INC12 citations85
US11366270B2Jun 21, 2022
Broadband optical coupling using dispersive elements
CISCO TECH INC6 citations84
US11360268B1Jun 14, 2022
Low-loss and low-crosstalk optical mode multiplexer and optical crossover
CISCO TECH INC9 citations84
US10852472B1Dec 1, 2020
Multiple stage Bragg gratings in multiplexing applications
CISCO TECH INC10 citations83
US10439726B1Oct 8, 2019
Bi-directional temperature controlled optical transceiver
CISCO TECH INC11 citations83
US11762150B2Sep 19, 2023
Broadband optical coupling using dispersive elements
CISCO TECH INC2 citations72
US11754784B2Sep 12, 2023
Grating coupler
CISCO TECH INC2 citations72
US11520106B2Dec 6, 2022
Integrated broadband optical couplers with robustness to manufacturing variation
CISCO TECH INC2 citations72
US11467420B2Oct 11, 2022
Cascaded arrangement of two-mode Bragg gratings in multiplexing applications
CISCO TECH INC2 citations72
US11249246B2Feb 15, 2022
Multiple stage Bragg gratings in multiplexing applications
CISCO TECH INC3 citations72
US12035082B2Jul 9, 2024
Process margin relaxation
CISCO TECH INC0 citations62
US11523192B2Dec 6, 2022
Process margin relaxation
CISCO TECH INC0 citations62
US11089391B1Aug 10, 2021
Process margin relaxation
CISCO TECH INC0 citations62
US11022757B1Jun 1, 2021
Using an anti-reflection coating with a grating coupler
CISCO TECH INC0 citations62
US12442981B2Oct 14, 2025
Double-layered antisymmetric two mode Bragg gratings
CISCO TECH INC0 citations61
US12117650B2Oct 15, 2024
Broadband optical coupling using dispersive elements
CISCO TECH INC0 citations61
US11822126B2Nov 21, 2023
Single mode and multi-mode waveguide crossings
CISCO TECH INC0 citations61
US10841010B2Nov 17, 2020
Bi-directional temperature controlled optical transceiver
CISCO TECH INC1 citations61
US12092863B2Sep 17, 2024
Fabrication-tolerant on-chip multiplexers and demultiplexers
CISCO TECH INC0 citations51