Patents by Inventor Vivek Krishnan
Vivek Krishnan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11915584Abstract: Systems and method are provided for notifying an operator of a vehicle of reverse operation of a vehicle. In one embodiment, a method includes: receiving, by a processor, at least one of sensor data and vehicle message data, wherein the sensor data is generated by a sensor of an infrastructure system, and wherein the vehicle message data is generated by a remote vehicle; determining, by the processor, a reverse operation of the remote vehicle based on the at least one of the sensor data and the vehicle message data; and generating, by the processor, notification data based on the reverse operation of the remote vehicle.Type: GrantFiled: October 27, 2021Date of Patent: February 27, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vivek Vijaya Kumar, Mohammad Naserian, Hariharan Krishnan
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Patent number: 11894164Abstract: A stretchable conductor includes a substrate with a first major surface, wherein the substrate is an elastomeric material. An elongate wire is on the first major surface of the substrate; the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Composite articles including a stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.Type: GrantFiled: September 23, 2020Date of Patent: February 6, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPNAYInventors: Ankit Mahajan, James Zhu, Saagar A. Shah, Mikhail L. Pekurovsky, Vivek Krishnan, Kevin T. Reddy, Christopher B. Walker, Jr., Michael A. Kropp, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Roger W. Barton
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Publication number: 20230394509Abstract: Providing peer group benchmarking with differential privacy obtaining one or more app store metrics for a first application, determining an application peer group for the first application, wherein the application peer group is determined based on a plurality of common traits, and obtaining one or more peer group app store metrics for the application peer group based on the one or more app store metrics. A user interface is displayed to indicate a relative placement of at least one of the one or more app store metrics for the first application among the peer group app store metrics, and the user interface element identifies the application peer group metrics with a minimum level of accuracy without revealing the performance of individual apps within the peer group.Type: ApplicationFiled: June 5, 2022Publication date: December 7, 2023Inventors: Nicholas Kistner, Andrew T. Maher, Artem Kirillov, Daniela S. Antonova, Mahesh Molakalapalli, Matthew Tan Teik Hoe, Maxim Martynov, Rajiv J. Krishnamurthy, Vivek Krishnan, Yogesh V. Padte
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Patent number: 11833851Abstract: There is provided an article comprising at least a first surface having: (a) a first binder layer; (b) a plurality of transparent microspheres partially embedded in the first binder layer wherein the transparent microspheres have refractive indices that are less than a refractive index of the first binder layer and wherein the plurality of transparent microspheres consist of microspheres having a refractive index of no more than 1.490. There is also provided a transfer article comprising: (a) a transfer carrier, the transfer carrier comprising: (i) a support layer; and (ii) a thermoplastic release layer bonded to the support layer; (b) a layer of a plurality of transparent microspheres, formed on a side of the thermoplastic transparent microsphere release layer opposite the support layer, wherein the plurality of transparent microspheres consist of microspheres having a refractive index of no more than 1.490.Type: GrantFiled: September 9, 2020Date of Patent: December 5, 2023Assignee: 3M Innovative Properties CompanyInventors: Vivek Krishnan, John C. Clark, Thomas B. Galush, Jean A. Tangeman
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Patent number: 11691381Abstract: Described herein is an article comprising (i) bead film comprising a binder resin layer and a plurality of microspheres partially embedded in the binder resin layer such that a portion of the microspheres outwardly protrude a first distance from the surface of the binder resin layer; (ii) a stabilizing layer disposed on the outwardly protruding microspheres opposite the binder resin layer, wherein the stabilizing layer intimately conforms to the protruding microspheres, and wherein the stabilizing layer has a Tg less than 100 C and a storage modulus at 150° C. of at least 1.Type: GrantFiled: October 6, 2017Date of Patent: July 4, 2023Assignee: 3M innovative Properties CompanyInventors: Christopher B. Walker, Jr., Matthew R. C. Atkinson, Mary M. Caruso Dailey, John C. Clark, Vivek Krishnan, Alexander J. Kugel, Steven J. McMan, Abdullahi A. Mohamud
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Patent number: 11413846Abstract: Described herein is an article having a microsphere layer comprising a monolayer of microspheres, the monolayer of microspheres comprising a first area substantially free of microspheres and a second area comprising a plurality of randomly-distributed microspheres, wherein the monolayer of microspheres comprises a predetermined pattern, the predetermined pattern comprises at least one of (i) a plurality of the first areas, (ii) a plurality of the second areas, and (iii) combinations thereof; and (b) a bead bonding layer disposed on the microsphere layer, wherein the plurality of microspheres are partially embedded in a first major surface of the bead bonding layer, wherein the article has a retroreflectivity (Ra) of less than 5.0 candelas/lux/square meter. Also disclosed herein are transfer carriers and methods of making the articles and transfer carriers.Type: GrantFiled: March 29, 2017Date of Patent: August 16, 2022Assignee: 3M Innovative Properties CompanyInventors: Christopher B. Walker, Jr., Toheeb B. Alabi, Kui Chen-Ho, John C. Clark, Jeremy P. Gundale, Vivek Krishnan, Alexander J. Kugel, Mikhail L. Pekurovsky, Chris A. Pommer, Matthew S. Stay
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Patent number: 11390059Abstract: Described herein is decorative article having a coefficient of friction less than 0.3 wherein the decorative articles comprises: (i) a microsphere layer comprising a plurality of microspheres, wherein the microsphere layer comprises a monolayer of microspheres and wherein the plurality of microspheres are in a microscopic periodic pattern; and (ii) a bead bonding layer disposed on the microsphere layer, wherein the plurality of microspheres are partially embedded in the bead bonding layer. Also disclosed herein are transfer articles and methods of making the decorative articles and transfer articles.Type: GrantFiled: December 14, 2016Date of Patent: July 19, 2022Assignee: 3M Innovative Properties CompanyInventors: John C. Clark, Samad Javid, Vivek Krishnan, Alexander J. Kugel, Aaron K. Nienaber, Chris A. Pommer, Christopher B. Walker, Jr.
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Patent number: 11373132Abstract: This document describes a computer-implemented method that includes receiving, over a network, at least one of text, audio, image, or video data associated with an entity of interest; identifying, based on the received data, a set of entity-specific candidate features; loading a feature library comprising a plurality of features that are each assigned to one or more feature spaces; and selecting, using a feature selection engine, one or more features from each of the feature spaces based on the set of entity-specific candidate features.Type: GrantFiled: January 25, 2022Date of Patent: June 28, 2022Assignee: Accenture Global Solutions LimitedInventors: Julie Sweet, Bhaskar Ghosh, Rajendra Prasad Tanniru, Soumala Sarkar, Koushik M. Vijayaraghavan, Vivek Krishnan, Purnima Jagannathan
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Patent number: 11134540Abstract: A device and a method for mixed mode communication are disclosed. For example, a Bluetooth master device transmits data packets to a Bluetooth slave device and receives acknowledgments from the Bluetooth slave device, by controlling a transceiver to transmit the data packets based on a Bluetooth Basic Rate/Enhanced Data Rate (BR/EDR) protocol, and to receive the acknowledgements packet (ACK) based on a Bluetooth Low Energy (BLE) protocol. In another example, a Bluetooth slave device receives the data packets from a Bluetooth master device and transmits acknowledgments to the Bluetooth master device, by controlling a transceiver to receive the data packets based on a BR/EDR protocol, and to transmit the ACK based on a BLE protocol.Type: GrantFiled: December 28, 2017Date of Patent: September 28, 2021Assignee: Apple Inc.Inventors: Hakan Magnus Eriksson, Vivek Krishnan Devarajan, Prasanna Desai, Djordje Kokotovic, Jayant Somani
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Publication number: 20210280337Abstract: A stretchable conductor includes a substrate with a first major surface, wherein the substrate is an elastomeric material. An elongate wire is on the first major surface of the substrate; the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Composite articles including a stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.Type: ApplicationFiled: September 23, 2020Publication date: September 9, 2021Inventors: Ankit Mahajan, James Zhu, Saagar A. Shah, Mikhail L. Pekurovsky, Vivek Krishnan, Kevin T. Reddy, Christopher B. Walker, JR., Michael A. Kropp, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Roger W. Barton
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Publication number: 20200398608Abstract: There is provided an article comprising at least a first surface having: (a) a first binder layer; (b) a plurality of transparent microspheres partially embedded in the first binder layer such that about 20% to about 70% of the average diameter of the transparent microspheres is exposed at the outermost surface of the article, wherein the transparent microspheres have refractive indices that are less than a refractive index of the first binder layer and wherein the plurality of transparent microspheres consist of microspheres having a refractive index of no more than 1.490.Type: ApplicationFiled: September 9, 2020Publication date: December 24, 2020Inventors: Vivek Krishnan, John C. Clark, Thomas B. Galush, Jean A. Tangeman
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Patent number: 10854355Abstract: A stretchable conductor includes a substrate with a first major surface and an elongate wire, wherein the substrate is an elastomeric material, the elongate wire is on the first major surface of the substrate, the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Additionally, different methods of preparing said stretchable conductor are disclosed. Composite articles including said stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.Type: GrantFiled: June 7, 2018Date of Patent: December 1, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Ankit Mahajan, Jr., James Zhu, Saagar A. Shah, Mikhail L. Pekurovsky, Vivek Krishnan, Kevin T. Reddy, Christopher B. Walker, Jr., Michael A. Kropp, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Roger W. Barton
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Patent number: 10844160Abstract: There is provided an article a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, where the soft segments comprise polycarbonate polyol; and a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer, wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° C. or less in the article and a storage modulus in the article that changes less than 15 MPa from 25° C. to 175° C.Type: GrantFiled: June 15, 2015Date of Patent: November 24, 2020Assignee: 3M Innovative Properties CompanyInventors: Christopher B. Walker, Jr., John C. Clark, Alexander J. Kugel, Vivek Krishnan, Abdullahi A. Mohamud
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Publication number: 20200298526Abstract: Described herein is an article having a microsphere layer comprising a monolayer of microspheres, the monolayer of microspheres comprising a first area substantially free of microspheres and a second area comprising a plurality of randomly-distributed microspheres, wherein the monolayer of microspheres comprises a predetermined pattern, the predetermined pattern comprises at least one of (i) a plurality of the first areas, (ii) a plurality of the second areas, and (iii) combinations thereof; and (b) a bead bonding layer disposed on the microsphere layer, wherein the plurality of microspheres are partially embedded in a first major surface of the bead bonding layer, wherein the article has a retroreflectivity (Ra) of less than 5.0 candelas/lux/square meter. Also disclosed herein are transfer carriers and methods of making the articles and transfer carriers.Type: ApplicationFiled: March 29, 2017Publication date: September 24, 2020Inventors: Christopher B. Walker, Jr., Toheeb B. Alabi, Kui Chen-Ho, John C. Clark, Jeremy P. Gundale, Vivek Krishnan, Alexander J. Kugel, Mikhail L. Pekurovsky, Chris A. Pommer, Matthew S. Stay
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Publication number: 20200275525Abstract: A device and a method for mixed mode communication are disclosed. For example, a Bluetooth master device transmits data packets to a Bluetooth slave device and receives acknowledgments from the Bluetooth slave device, by controlling a transceiver to transmit the data packets based on a Bluetooth Basic Rate/Enhanced Data Rate (BR/EDR) protocol, and to receive the acknowledgements packet (ACK) based on a Bluetooth Low Energy (BLE) protocol. In another example, a Bluetooth slave device receives the data packets from a Bluetooth master device and transmits acknowledgments to the Bluetooth master device, by controlling a transceiver to receive the data packets based on a BR/EDR protocol, and to transmit the ACK based on a BLE protocol.Type: ApplicationFiled: December 28, 2017Publication date: August 27, 2020Inventors: Hakan Magnus Eriksson, Vivek Krishnan Devarajan, Prasanna Desal, Djordje Kokotovic, Jayant Somani
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Publication number: 20200105440Abstract: A stretchable conductor includes a substrate with a first major surface and an elongate wire, wherein the substrate is an elastomeric material, the elongate wire is on the first major surface of the substrate, the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Additionally, different methods of preparing said stretchable conductor are disclosed. Composite articles including said stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.Type: ApplicationFiled: June 7, 2018Publication date: April 2, 2020Inventors: Ankit Mahajan, Jr., James Zhu, Saagar A. Shah, Mikhail L. Pekurovsky, Vivek Krishnan, Kevin T. Reddy, Christopher B. Walker, Jr., Michael A. Kropp, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Roger W. Barton
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Publication number: 20200031092Abstract: Described herein is an article comprising (i) bead film comprising a binder resin layer and a plurality of microspheres partially embedded in the binder resin layer such that a portion of the microspheres outwardly protrude a first distance from the surface of the binder resin layer; (ii) a stabilizing layer disposed on the outwardly protruding microspheres opposite the binder resin layer, wherein the stabilizing layer intimately conforms to the protruding microspheres, and wherein the stabilizing layer has a Tg less than 100 C and a storage modulus at 150° C. of at least 1.Type: ApplicationFiled: October 6, 2017Publication date: January 30, 2020Inventors: Christopher B. Walker, Jr., Matthew R.C. Atkinson, Mary M. Caruso Dailey, John C. Clark, Vivek Krishnan, Alexander J. Kugel, Steven J. McMan, Abdullahi A. Mohamud
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Patent number: 10513626Abstract: There is provided an article comprising at least a first surface having a fluorine-containing polymeric binder resin layer and a plurality of microspheres partially embedded in a first major surface of the binder resin layer and adhered thereto; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50. There are also provided such articles wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight. There are also provided such articles wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.Type: GrantFiled: June 26, 2014Date of Patent: December 24, 2019Assignee: 3M Innovative Properties CompanyInventors: Christopher B. Walker, Jr., John C. Clark, Tatsuo Fukushi, Thomas P. Klun, Vivek Krishnan, Alexander J. Kugel, Lan H. Liu, Jingjing Ma, Steven J. McMan
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Patent number: 10245812Abstract: There is provided a thermoformable article comprising at least a first surface having a binder resin layer comprising a fluorine-containing polymer, where the binder resin layer has a first major surface opposite a second major surface; and a plurality of microspheres partially and adhered to the first major surface of the binder resin layer; where the fluorine-containing polymer is a partially fluorinated polymer derived from at least one fluorine containing monomer and two or more non-fluorinated monomers having at least one active hydrogen functional group, and further wherein at least one but not all of the active hydrogen functional groups are reacted with at least one curing agent having latent functionality. In some instances the curing agent comprises polyisocyanate. There is also provided a thermoset article derived from such thermoformable articles.Type: GrantFiled: February 13, 2015Date of Patent: April 2, 2019Assignee: 3M Innovative Properties CompanyInventors: Christopher B. Walker, Jr., John C. Clark, Thomas P. Klun, Steven J. McMan, Abdullahi A. Mohamud, Alexander J. Kugel, Vivek Krishnan
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Patent number: 10239277Abstract: There is provided an article a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, where the soft segments comprise poly(alkoxy) polyol, and where the poly(alkoxy) polyol is essentially free of crosslinker; and a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer, wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° C. or less in the article and a storage modulus in the article that changes less than 15 MPa from 25° C. to 175° C.Type: GrantFiled: February 13, 2015Date of Patent: March 26, 2019Assignee: 3M Innovative Properties CompanyInventors: Alexander J. Kugel, John C. Clark, Vivek Krishnan, Christopher B. Walker, Jr.