Inventor · disambiguated record
Ravi S. Tummidi
Also filed as: TUMMIDI RAVI · TUMMIDI RAVI S · TUMMIDI RAVI SEKHAR
31 granted patents·9 pending applications·241 citations·filing 2010–2024
96Inventor score
Top patents by PatentIndex Score
40 records- 0197US11002980B1Cascaded arrangement of two-mode Bragg gratings in multiplexing applicationsCISCO TECH INC·Filed 2020·Granted May 11, 2021·12 cites·20 claims
- 0297US9864133B2Silicon photonic chip with through VIASCISCO TECH INC·Filed 2016·Granted Jan 9, 2018·26 cites·10 claims
- 0397US9618699B2Multilayer photonic adapterCISCO TECH INC·Filed 2015·Granted Apr 11, 2017·33 cites·18 claims
- 0496US11360268B1Low-loss and low-crosstalk optical mode multiplexer and optical crossoverCISCO TECH INC·Filed 2021·Granted Jun 14, 2022·9 cites·17 claims
- 0596US10935726B1Integrated broadband optical couplers with robustness to manufacturing variationCISCO TECH INC·Filed 2019·Granted Mar 2, 2021·29 cites·17 claims
- 0696US9274275B2Photonic integration platformCISCO TECH INC·Filed 2013·Granted Mar 1, 2016·24 cites·7 claims
- 0795US10054745B2Photonic integration platformCISCO TECH INC·Filed 2017·Granted Aug 21, 2018·10 cites·12 claims
- 0895US9933566B2Photonic chip with an evanescent coupling interfaceCISCO TECH INC·Filed 2016·Granted Apr 3, 2018·14 cites·20 claims
- 0995US9651739B2Photonic integration platformCISCO TECH INC·Filed 2015·Granted May 16, 2017·11 cites·12 claims
- 1094US11249246B2Multiple stage Bragg gratings in multiplexing applicationsCISCO TECH INC·Filed 2020·Granted Feb 15, 2022·3 cites·20 claims
- 1194US10852472B1Multiple stage Bragg gratings in multiplexing applicationsCISCO TECH INC·Filed 2019·Granted Dec 1, 2020·10 cites·15 claims
- 1293US10481326B2Photonic chip with an evanescent coupling interfaceCISCO TECH INC·Filed 2018·Granted Nov 19, 2019·8 cites·19 claims
- 1393US10145758B2Wafer level optical probing structures for silicon photonicsCISCO TECH INC·Filed 2017·Granted Dec 4, 2018·12 cites·19 claims
- 1492US10877229B2Edge coupling through unetched surface of photonic chipCISCO TECH INC·Filed 2019·Granted Dec 29, 2020·8 cites·20 claims
- 1592US9122037B2Coupling system for optical fibers and optical waveguidesCISCO TECH INC·Filed 2013·Granted Sep 1, 2015·13 cites·22 claims
- 1691US11520106B2Integrated broadband optical couplers with robustness to manufacturing variationCISCO TECH INC·Filed 2021·Granted Dec 6, 2022·2 cites·20 claims
- 1791US11467420B2Cascaded arrangement of two-mode Bragg gratings in multiplexing applicationsCISCO TECH INC·Filed 2021·Granted Oct 11, 2022·2 cites·16 claims
- 1889US9164235B1Dual tip optical couplerCISCO TECH INC·Filed 2014·Granted Oct 20, 2015·10 cites·20 claims
- 1985US11156783B2Photonic integration platformCISCO TECH INC·Filed 2019·Granted Oct 26, 2021·2 cites·20 claims
- 2084US10509174B2Photonic integration platformCISCO TECH INC·Filed 2018·Granted Dec 17, 2019·2 cites·20 claims
- 2174US12035082B2Process margin relaxationCISCO TECH INC·Filed 2022·Granted Jul 9, 2024·0 cites·14 claims
- 2273US12276565B2Electrical test of optical components via metal-insulator-semiconductor capacitor structuresCISCO TECH INC·Filed 2023·Granted Apr 15, 2025·0 cites·20 claims
- 2371US11067765B2Evanescent coupling of photodiode with optical waveguideCISCO TECH INC·Filed 2019·Granted Jul 20, 2021·0 cites·18 claims
- 2470US2024393530A1Fabrication-tolerant on-chip multiplexers and demultiplexersCISCO TECH INC·Filed 2024·Application pending·0 cites
- 2568US11523192B2Process margin relaxationCISCO TECH INC·Filed 2021·Granted Dec 6, 2022·0 cites·17 claims
- 2667US11686648B2Electrical test of optical components via metal-insulator-semiconductor capacitor structuresCISCO TECH INC·Filed 2021·Granted Jun 27, 2023·0 cites·20 claims
- 2766US12442981B2Double-layered antisymmetric two mode Bragg gratingsCISCO TECH INC·Filed 2023·Granted Oct 14, 2025·0 cites·20 claims
- 2866US11762159B2Evanescent coupling of photodiode with optical waveguideCISCO TECH INC·Filed 2021·Granted Sep 19, 2023·0 cites·18 claims
- 2965US11089391B1Process margin relaxationCISCO TECH INC·Filed 2020·Granted Aug 10, 2021·0 cites·19 claims
- 3065US9134498B2Coupling system for optical fibers and optical waveguidesCISCO TECH INC·Filed 2013·Granted Sep 15, 2015·1 cites·20 claims
- 3162US2025343214A1Hybrid silicon photonics-on-glass substrateCISCO TECH INC·Filed 2024·Application pending·0 cites
- 3261US12092863B2Fabrication-tolerant on-chip multiplexers and demultiplexersCISCO TECH INC·Filed 2021·Granted Sep 17, 2024·0 cites·20 claims
- 3361US2025341686A1Tsv-enabled hybrid silicon photonics-on-glass packageCISCO TECH INC·Filed 2024·Application pending·0 cites
- 3460US11693200B2Double bonding when fabricating an optical deviceCISCO TECH INC·Filed 2021·Granted Jul 4, 2023·0 cites·19 claims
- 3560US2025362455A1Cascading arrangement of slot waveguide-based bragg grating filters in demultiplexing applicationsCISCO TECH INC·Filed 2024·Application pending·0 cites
- 3652US2024159963A1Optical power splittersCISCO TECH INC·Filed 2022·Application pending·0 cites
- 3745US2015104130A1Optical power splitterCISCO TECH INC·Filed 2013·Application pending·0 cites
- 3836US2016223750A1System for optically coupling optical fibers and optical waveguidesCISCO TECH INC·Filed 2015·Application pending·0 cites
- 3934US2010303414A1Chip-based slot waveguide spontaneous emission light sourcesATWATER JR HARRY A·Filed 2010·Application pending·0 cites
- 4032US2017003463A1Passive placement of a laser on a photonic chipCISCO TECH INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →