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Ravi TUMMIDI
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Breinigsville, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Evanescent coupling of photodiode with optical waveguide
Patent number
11,762,159
Issue date
Sep 19, 2023
Cisco Technology, Inc.
Prakash B. Gothoskar
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Double bonding when fabricating an optical device
Patent number
11,693,200
Issue date
Jul 4, 2023
Cisco Technology, Inc.
Vipulkumar K. Patel
G02 - OPTICS
Information
Patent Grant
Electrical test of optical components via metal-insulator-semicondu...
Patent number
11,686,648
Issue date
Jun 27, 2023
Cisco Technology, Inc.
Xunyuan Zhang
G02 - OPTICS
Information
Patent Grant
Process margin relaxation
Patent number
11,523,192
Issue date
Dec 6, 2022
Cisco Technology, Inc.
Tao Ling
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated broadband optical couplers with robustness to manufactur...
Patent number
11,520,106
Issue date
Dec 6, 2022
Cisco Technology, Inc.
Yi Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cascaded arrangement of two-mode Bragg gratings in multiplexing app...
Patent number
11,467,420
Issue date
Oct 11, 2022
Cisco Technology, Inc.
Tao Ling
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low-loss and low-crosstalk optical mode multiplexer and optical cro...
Patent number
11,360,268
Issue date
Jun 14, 2022
Cisco Technology, Inc.
Tao Ling
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple stage Bragg gratings in multiplexing applications
Patent number
11,249,246
Issue date
Feb 15, 2022
Cisco Technology, Inc.
Tao Ling
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photonic integration platform
Patent number
11,156,783
Issue date
Oct 26, 2021
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Grant
Process margin relaxation
Patent number
11,089,391
Issue date
Aug 10, 2021
Cisco Technology, Inc.
Tao Ling
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Evanescent coupling of photodiode with optical waveguide
Patent number
11,067,765
Issue date
Jul 20, 2021
Cisco Technology, Inc.
Prakash B. Gothoskar
G02 - OPTICS
Information
Patent Grant
Cascaded arrangement of two-mode Bragg gratings in multiplexing app...
Patent number
11,002,980
Issue date
May 11, 2021
Cisco Technology, Inc.
Tao Ling
G02 - OPTICS
Information
Patent Grant
Integrated broadband optical couplers with robustness to manufactur...
Patent number
10,935,726
Issue date
Mar 2, 2021
Cisco Technology, Inc.
Yi Ho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Edge coupling through unetched surface of photonic chip
Patent number
10,877,229
Issue date
Dec 29, 2020
Cisco Technology, Inc.
Ravi S. Tummidi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multiple stage Bragg gratings in multiplexing applications
Patent number
10,852,472
Issue date
Dec 1, 2020
Cisco Technology, Inc.
Tao Ling
G02 - OPTICS
Information
Patent Grant
Photonic integration platform
Patent number
10,509,174
Issue date
Dec 17, 2019
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Grant
Photonic chip with an evanescent coupling interface
Patent number
10,481,326
Issue date
Nov 19, 2019
Cisco Technology, Inc.
Vipulkumar Patel
G02 - OPTICS
Information
Patent Grant
Wafer level optical probing structures for silicon photonics
Patent number
10,145,758
Issue date
Dec 4, 2018
Cisco Technology, Inc.
Matthew J. Traverso
G02 - OPTICS
Information
Patent Grant
Photonic integration platform
Patent number
10,054,745
Issue date
Aug 21, 2018
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Grant
Photonic chip with an evanescent coupling interface
Patent number
9,933,566
Issue date
Apr 3, 2018
Cisco Technology, Inc.
Vipulkumar Patel
G02 - OPTICS
Information
Patent Grant
Silicon photonic chip with through VIAS
Patent number
9,864,133
Issue date
Jan 9, 2018
Cisco Technology, Inc.
Vipulkumar Patel
G02 - OPTICS
Information
Patent Grant
Photonic integration platform
Patent number
9,651,739
Issue date
May 16, 2017
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Grant
Multilayer photonic adapter
Patent number
9,618,699
Issue date
Apr 11, 2017
Cisco Technology, Inc.
Ravi Sekhar Tummidi
G02 - OPTICS
Information
Patent Grant
Photonic integration platform
Patent number
9,274,275
Issue date
Mar 1, 2016
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Grant
Dual tip optical coupler
Patent number
9,164,235
Issue date
Oct 20, 2015
Cisco Technology, Inc.
Ravi Sekhar Tummidi
G02 - OPTICS
Information
Patent Grant
Coupling system for optical fibers and optical waveguides
Patent number
9,134,498
Issue date
Sep 15, 2015
Cisco Technology, Inc.
Kalpendu Shastri
B32 - LAYERED PRODUCTS
Information
Patent Grant
Coupling system for optical fibers and optical waveguides
Patent number
9,122,037
Issue date
Sep 1, 2015
Cisco Technology, Inc.
Kalpendu Shastri
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICAL TEST OF OPTICAL COMPONENTS VIA METAL-INSULATOR-SEMICONDU...
Publication number
20230243718
Publication date
Aug 3, 2023
Cisco Technology, Inc.
Xunyuan ZHANG
G02 - OPTICS
Information
Patent Application
FABRICATION-TOLERANT ON-CHIP MULTIPLEXERS AND DEMULTIPLEXERS
Publication number
20230119450
Publication date
Apr 20, 2023
Cisco Technology, Inc.
Yi Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROCESS MARGIN RELAXATION
Publication number
20230076009
Publication date
Mar 9, 2023
Cisco Technology, Inc.
Tao LING
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRICAL TEST OF OPTICAL COMPONENTS VIA METAL-INSULATOR-SEMICONDU...
Publication number
20230022612
Publication date
Jan 26, 2023
Cisco Technology, Inc.
Xunyuan ZHANG
G01 - MEASURING TESTING
Information
Patent Application
DOUBLE BONDING WHEN FRABRICATING AN OPTICAL DEVICE
Publication number
20230015671
Publication date
Jan 19, 2023
Cisco Technology, Inc.
Vipulkumar K. PATEL
G02 - OPTICS
Information
Patent Application
PROCESS MARGIN RELAXATION
Publication number
20210345022
Publication date
Nov 4, 2021
Cisco Technology, Inc.
Tao LING
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CASCADED ARRANGEMENT OF TWO-MODE BRAGG GRATINGS IN MULTIPLEXING APP...
Publication number
20210286190
Publication date
Sep 16, 2021
Cisco Technology, Inc.
Tao LING
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EVANESCENT COUPLING OF PHOTODIODE WITH OPTICAL WAVEGUIDE
Publication number
20210278615
Publication date
Sep 9, 2021
Cisco Technology, Inc.
Prakash B. GOTHOSKAR
G02 - OPTICS
Information
Patent Application
INTEGRATED BROADBAND OPTICAL COUPLERS WITH ROBUSTNESS TO MANUFACTUR...
Publication number
20210181419
Publication date
Jun 17, 2021
Cisco Technology, Inc.
Yi Ho LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EVANESCENT COUPLING OF PHOTODIODE WITH OPTICAL WAVEGUIDE
Publication number
20210157068
Publication date
May 27, 2021
Cisco Technology, Inc.
Prakash B. GOTHOSKAR
G02 - OPTICS
Information
Patent Application
MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
Publication number
20210109281
Publication date
Apr 15, 2021
Cisco Technology, Inc.
Tao LING
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
Publication number
20200400878
Publication date
Dec 24, 2020
Cisco Technology, Inc.
Tao LING
G02 - OPTICS
Information
Patent Application
EDGE COUPLING THROUGH UNETCHED SURFACE OF PHOTONIC CHIP
Publication number
20200264391
Publication date
Aug 20, 2020
Cisco Technology, Inc.
Ravi S. Tummidi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PHOTONIC INTEGRATION PLATFORM
Publication number
20200088946
Publication date
Mar 19, 2020
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Application
PHOTONIC INTEGRATION PLATFORM
Publication number
20180341064
Publication date
Nov 29, 2018
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Application
WAFER LEVEL OPTICAL PROBING STRUCTURES FOR SILICON PHOTONICS
Publication number
20180313718
Publication date
Nov 1, 2018
Cisco Technology, Inc.
Matthew J. TRAVERSO
G02 - OPTICS
Information
Patent Application
PHOTONIC CHIP WITH AN EVANESCENT COUPLING INTERFACE
Publication number
20180188450
Publication date
Jul 5, 2018
Cisco Technology, Inc.
Vipulkumar PATEL
G02 - OPTICS
Information
Patent Application
PHOTONIC INTEGRATION PLATFORM
Publication number
20170192174
Publication date
Jul 6, 2017
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Application
SILICON PHOTONIC CHIP WITH THROUGH VIAS
Publication number
20170139132
Publication date
May 18, 2017
Cisco Technology ,Inc.
Vipulkumar PATEL
G02 - OPTICS
Information
Patent Application
PHOTONIC CHIP WITH AN EVANESCENT COUPLING INTERFACE
Publication number
20170139142
Publication date
May 18, 2017
Cisco Technology, Inc.
Vipulkumar PATEL
G02 - OPTICS
Information
Patent Application
PASSIVE PLACEMENT OF A LASER ON A PHOTONIC CHIP
Publication number
20170003463
Publication date
Jan 5, 2017
Cisco Technology, Inc.
Mary NADEAU
G02 - OPTICS
Information
Patent Application
MULTILAYER PHOTONIC ADAPTER
Publication number
20160266321
Publication date
Sep 15, 2016
Cisco Technology, Inc.
Ravi Sekhar TUMMIDI
G02 - OPTICS
Information
Patent Application
SYSTEM FOR OPTICALLY COUPLING OPTICAL FIBERS AND OPTICAL WAVEGUIDES
Publication number
20160223750
Publication date
Aug 4, 2016
Cisco Technology, Inc.
Kalpendu Shastri
G02 - OPTICS
Information
Patent Application
PHOTONIC INTEGRATION PLATFORM
Publication number
20160077283
Publication date
Mar 17, 2016
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS
Information
Patent Application
OPTICAL POWER SPLITTER
Publication number
20150104130
Publication date
Apr 16, 2015
Cisco Technology, Inc.
Sean Anderson
G02 - OPTICS
Information
Patent Application
COUPLING SYSTEM FOR OPTICAL FIBERS AND OPTICAL WAVEGUIDES
Publication number
20150021291
Publication date
Jan 22, 2015
Cisco Technology, Inc.
Kalpendu Shastri
B32 - LAYERED PRODUCTS
Information
Patent Application
COUPLING SYSTEM FOR OPTICAL FIBERS AND OPTICAL WAVEGUIDES
Publication number
20150023631
Publication date
Jan 22, 2015
Cisco Technology, Inc.
Kalpendu Shastri
G02 - OPTICS
Information
Patent Application
PHOTONIC INTEGRATION PLATFORM
Publication number
20150010266
Publication date
Jan 8, 2015
Cisco Technology, Inc.
Mark Webster
G02 - OPTICS