Patents by Inventor Sriram Natarajan

Sriram Natarajan 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).

  • Patent number: 8969648
    Abstract: A blood clotting substrate and device which has a plurality of oxygen plasma-treated polypropylene pillars extending from the surface of a polypropylene film.
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: March 3, 2015
    Assignee: Ethicon, Inc.
    Inventors: Emma Kim Luong-Van, Isabel Rodriguez, Hong Yee Low, Audrey Yoke Yee Ho, Sriram Natarajan, Noha Elmouelhi, Kevin Cooper, Murty Vyakarnam, Chee Tiong Lim
  • Patent number: 8926881
    Abstract: Synthetic polymer substrates comprising a hierarchical surface structure of multiple domes and multiple pillars on said domes, wherein said substrate is a synthetic polymer film, said domes have diameters in the range from about 5 ?m to about 400 ?m, heights in the range from about 2.5 ?m and about 500 ?m, and said pillars have diameters in the range from about 20 nm to about 5 ?m and aspect ratios of from about 2 to about 50, and methods of making and using them.
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: January 6, 2015
    Assignees: Depuy Synthes Products, LLC, Agency for Science, Technology and Research
    Inventors: Audrey Yoke Yee Ho, Isabel Rodriguez, Hong Yee Low, Emma Kim Luong-Van, Sriram Natarajan, Noha Elmouelhi, Kevin Cooper, Chee Tiong Lim
  • Patent number: 8914502
    Abstract: Described herein are systems and methods for use with a load balancer or traffic director, and administration thereof, wherein the traffic director is provided as a software-based load balancer that can be used to deliver a fast, reliable, scalable, and secure platform for load-balancing Internet and other traffic to back-end origin servers, such as web servers, application servers, or other resource servers. In accordance with an embodiment, the system comprises a traffic director having one or more traffic director instances, which is configured to receive and communicate requests, from clients, to origin servers having one or more pools of servers. A health check subsystem periodically checks the health of its configured resource servers, and also attempts to detect changes in the one or more pools, by sending requests to any new server instances configured as origin servers within the pool, receiving appropriate responses, and updating the configuration accordingly.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: December 16, 2014
    Assignee: Oracle International Corporation
    Inventors: Arvind Srinivasan, Sriram Natarajan
  • Publication number: 20140235510
    Abstract: Disclosed is a spotter device and methods for the formation of microassays, biochips, biosensors, and cell cultures. The spotter may be used to deposit highly concentrated spots of protein or other materials on a microarray slide, wafer, or other surface. It may also be used to perform various chemistry steps on the same spots. The spotter increases the surface density of substances at each spot by directing a flow the desired substance (or a solution thereof) over the spot area until surface saturation is accomplished. The spotter may be loaded by well plate handling equipment. The spotter uses wells, microfluidic conduits, and orifices to deposit proteins, other biomolecules, or chemicals on a spot on, a separate surface. Each orifice is connected to two wells via microconduits. When the spotter contacts a surface, a seal is formed between the orifices and the surface. The same or different substances may be flowed across each orifice. Any number of orifices may be incorporated into a spotter.
    Type: Application
    Filed: February 25, 2013
    Publication date: August 21, 2014
    Applicant: University of Utah Research Foundation
    Inventors: David A. Chang-Yen, Sriram Natarajan, Josh Eckman, Bruce K. Gale, David Myszka
  • Publication number: 20140208426
    Abstract: A cloud-based method, a behavioral analysis system, and a cloud-based security system can include a plurality of nodes communicatively coupled to one or more users, wherein the plurality of nodes each perform inline monitoring for one of the one or more users for security comprising malware detection and preclusion; and a behavioral analysis system communicatively coupled to the plurality of nodes, wherein the behavioral analysis system performs offline analysis for any suspicious content from the one or more users which is flagged by the plurality of nodes; wherein the plurality of nodes each comprise a set of known malware signatures for the inline monitoring that is periodically updated by the behavioral analysis system based on the offline analysis for the suspicious content.
    Type: Application
    Filed: March 26, 2014
    Publication date: July 24, 2014
    Applicant: ZSCALER, INC.
    Inventors: Sriram NATARAJAN, Narinder PAUL, Julien SOBRIER, Karthikeyan THAMILARASU, Balakrishna BAYAR, Michael Andrew William SUTTON
  • Publication number: 20140171342
    Abstract: The present disclosure provides apparatuses, systems, and methods involving a spotter for depositing a substance on a submerged surface. The spotter comprises an outlet cavity defined at least in part by a spotting orifice, a first opening, and a second opening. The spotter also comprises a first conduit fluidly coupled to the first opening and a second conduit fluidly coupled to the second opening. The spotter is adapted so that fluid flowing through the first conduit and the second conduit is communicated among the first opening, the second opening, and a submerged deposition surface when the sealing orifice is sealed against the submerged deposition surface to form a deposition spot on the submerged deposition surface. The submerged deposition surface is within a liquid such that the liquid covers the deposition spot upon removal of the orifice from the deposition surface.
    Type: Application
    Filed: September 13, 2013
    Publication date: June 19, 2014
    Inventors: Bruce K. Gale, Joshua W. Eckman, Adam Miles, Christopher Morrow, James Smith, Sriram Natarajan, Mark Eddings
  • Publication number: 20140120314
    Abstract: Synthetic polymer substrates comprising a hierarchical surface structure of multiple domes and multiple pillars on said domes, wherein said substrate is a synthetic polymer film, said domes have diameters in the range from about 5 ?m to about 400 ?m, heights in the range from about 2.5 ?m and about 500 ?m, and said pillars have diameters in the range from about 20 nm to about 5 ?m and aspect ratios of from about 2 to about 50, and methods of making and using them.
    Type: Application
    Filed: December 23, 2013
    Publication date: May 1, 2014
    Applicants: Agency for Science Technology and Research, Depuy Synthes Products, LLC
    Inventors: Audrey Yoke Yee Ho, Isabel Rodriguez, Hong Yee Low, Emma Kim Luong-Van, Sriram Natarajan, Noha Elmouelhi, Kevin Cooper, Chee Tiong Lim
  • Publication number: 20130288225
    Abstract: A method of separating blood by providing a horizontal substrate having a plurality of oxygen plasma-treated polypropylene pillars extending from the surface of a polypropylene film, depositing a whole blood sample on an upper surface of the substrate, collecting red blood cells on the upper surface of the pillars and permitting remaining components of said whole blood sample to flow downward and through the pillars.
    Type: Application
    Filed: April 27, 2012
    Publication date: October 31, 2013
    Applicants: AGENCY FOR SCIENCE TECHNOLOGY AND RESEARCH, ADVANCED TECHNOLOGIES & REGENERATIVE MEDICINE, LLC
    Inventors: Noha Elmouelhi, Sriram Natarajan, Kevin Cooper, Murty Vyakarnam, Chee Tiong Lim, Emma Kim Luong-Van, Isabel Rodriguez, Hong Yee Low, Audrey Yoke Yee Ho
  • Publication number: 20130266761
    Abstract: Synthetic polymer substrates comprising a hierarchical surface structure of multiple domes and multiple pillars on said domes, wherein said substrate is a synthetic polymer film, said domes have diameters in the range from about 5 ?m to about 400 ?m, heights in the range from about 2.5 ?m and about 500 ?m, and said pillars have diameters in the range from about 20 nm to about 5 ?m and aspect ratios of from about 2 to about 50, and methods of making and using them.
    Type: Application
    Filed: April 6, 2012
    Publication date: October 10, 2013
    Applicants: Agency for Science Technology and Research, Advanced Technologies & Regenerative Medicine, LLC
    Inventors: Audrey Yoke Yee Ho, Isabel Rodriguez, Hong Yee Low, Emma Kim Luong-Van, Sriram Natarajan, Noha Elmouelhi, Kevin Cooper, Chee Tiong Lim
  • Publication number: 20130267880
    Abstract: A blood clotting substrate and device which has a plurality of oxygen plasma-treated polypropylene pillars extending from the surface of a polypropylene film.
    Type: Application
    Filed: April 6, 2012
    Publication date: October 10, 2013
    Applicants: Agency for Science Technology and Research, Advanced Technologies & Regenerative Medicine, LLC
    Inventors: Emma Kim Luong-Van, Isabel Rodriguez, Hong Yee Low, Audrey Yoke Yee Ho, Sriram Natarajan, Noha Elmouelhi, Kevin Cooper, Murty Vyakarnam, Chee Tiong Lim
  • Publication number: 20130080628
    Abstract: Described herein are systems and methods for use with a load balancer or traffic director, and administration thereof, wherein the traffic director is provided as a software-based load balancer that can be used to deliver a fast, reliable, scalable, and secure platform for load-balancing Internet and other traffic to back-end origin servers, such as web servers, application servers, or other resource servers. In accordance with an embodiment, the system comprises a traffic director having one or more traffic director instances, which is configured to receive and communicate requests, from clients, to origin servers having one or more pools of servers. A health check subsystem periodically checks the health of its configured resource servers, and also attempts to detect changes in the one or more pools, by sending requests to any new server instances configured as origin servers within the pool, receiving appropriate responses, and updating the configuration accordingly.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 28, 2013
    Applicant: ORACLE INTERNATIONAL CORPORATION
    Inventors: Arvind Srinivasan, Sriram Natarajan
  • Patent number: 8383059
    Abstract: Disclosed is a spotter device and methods for the formation of microassays, biochips, biosensors, and cell cultures. The spotter may be used to deposit highly concentrated spots of protein or other materials on a microarray slide, wafer, or other surface. It may also be used to perform various chemistry steps on the same spots. The spotter increases the surface density of substances at each spot by directing a flow the desired substance (or a solution thereof) over the spot area until surface saturation is accomplished. The spotter may be loaded by well plate handling equipment. The spotter uses wells, microfluidic conduits, and orifices to deposit proteins, other biomolecules, or chemicals on a spot on a separate surface. Each orifice is connected to two wells via microconduits. When the spotter contacts a surface, a seal is formed between the orifices and the surface. The same or different substances may be flowed across each orifice. Any number of orifices may be incorporated into a spotter.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: February 26, 2013
    Assignee: University of Utah Research Foundation
    Inventors: David A. Chang-Yen, Sriram Natarajan, Josh Eckman, Bruce K. Gale, David Myszka
  • Publication number: 20120302465
    Abstract: A biologic-adsorbent, e.g., protein-adsorbent, material is prepared by forming a polymeric substrate into structures having high surface area topography whose biologic adsorbing properties can be controlled. Biologic adsorption by these structures of optimized high surface area topography is increased by mild treating of the surfaces, e.g., by oxygen plasma, without substantially altering topography. Structures can have tailored geometric features including microstructures, e.g., pillars, with a diameter from 100 nm-50 ?m and height greater than 1 ?m.
    Type: Application
    Filed: May 26, 2011
    Publication date: November 29, 2012
    Applicants: AGENCY FOR SCIENCE TECHNOLOGY AND RESEARCH, ADVANCED TECHNOLOGIES & REGENERATIVE MEDICINE, LLC
    Inventors: Noha ELMOUELHI, Kevin COOPER, Sriram NATARAJAN, Hong Yee LOW, Isabel RODRIGUEZ, Emma Kim LUONG-VAN
  • Publication number: 20120302427
    Abstract: A biologic-adsorbent, e.g., protein-adsorbent, material is prepared by forming a polymeric substrate into structures having high surface area topography whose biologic adsorbing properties can be controlled. Biologic adsorption by these structures of optimized high surface area topography is increased by mild treating of the surfaces, e.g., by oxygen plasma, without substantially altering topography. Structures can have tailored geometric features including microstructures, e.g., pillars, with a diameter from 100 nm-50 ?m and height greater than 1 ?m.
    Type: Application
    Filed: December 29, 2011
    Publication date: November 29, 2012
    Applicants: ADVANCED TECHNOLOGIES & REGENERATIVE MEDICINE, LLC
    Inventors: Noha Elmouelhi, Kevin Cooper, Sriram Natarajan, Hong Yee Low, Isabel Rodriguez, Emma Kim Luong-Van
  • Publication number: 20120251611
    Abstract: A polydioxanone film comprising substantially cylindrical polydioxanone pillars on at least one side thereof, said pillars having diameters from about 0.2 ?m to about 3 ?m, and heights from about 2 ?m to about 20 ?m from the surface of the film, a process for adsorbing proteins using the film and medical devices incorporating the film.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Applicants: AGENCY FOR SCIENCE TECHNOLOGY AND RESEARCH, ADVANCED TECHNOLOGIES & REGENERATIVE MEDICINE, LLC
    Inventors: Emma Kim Luong-Van, Isabel Rodriguez, Hong Yee Low, Noha Elmouelhi, Kevin Cooper, Sriram Natarajan, Murty N. Vyakarnam, Chee Tiong Lim
  • Patent number: 8211382
    Abstract: Specialized microfluidic networks are utilized to deposit substances on sensor surfaces. In particular, a flow-based microfluidic printhead is used as an interface to deliver multiple analytes to a sensor for simultaneous analysis. Furthermore, internal referencing is incorporated into sensor regions for improved sensitivity.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: July 3, 2012
    Assignee: Wasatch Microfluidics, LLC
    Inventors: David Myszka, Bruce Kent Gale, Joshua Wayne Eckman, Sriram Natarajan
  • Publication number: 20120156780
    Abstract: A method of surface modification of a biocompatible, biodegradable polymer substrate using RF plasma treatment is disclosed. This method and the resulting surface provide for enhanced adhesion and proliferation of cells, such as hKDCs, and can be used with scaffolds for tissue regeneration and with other delivery vehicles such as medical devices.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 21, 2012
    Inventors: Kevin L. Cooper, Alisha Martin, Sriram Natarajan, Robert Vetrecin, Changdeng Liu
  • Patent number: 8205264
    Abstract: A method for automated evaluation of a SPAM filter rates a sender-receiver pair based on traffic information related to the sender-receiver pair. A SPAM filter intercepts electronic messages transmitted between the sender-receiver pair and classifies them as either SPAM or HAM. On comparing the rating for the sender-receiver pair and the classification for an electronic message between the sender-receiver pair, the method generates a metric indicating the reliability of the spam filter. Repeating these steps for more than one electronic messages and related sender-receiver pairs, the method produces a set of metrics. One or more of the metrics from the set of metrics are used to calculate an evaluation factor for evaluating the SPAM filter.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: June 19, 2012
    Assignee: Zscaler
    Inventors: Kailash Kailash, Jose Raphel, Sriram Natarajan
  • Publication number: 20120143228
    Abstract: A laminate and process of making the laminate is disclosed comprising: a surgical mesh having first and second surfaces; and an adhesive structure having adhesive and non-adhesive surfaces, wherein the non-adhesive surface of the adhesive structure is laminated to at least one of said first and second surfaces of said surgical mesh, and the adhesive surface of said adhesive structure has protrusions extending therefrom comprising a resin having a Young's modulus of greater than 17 MPa, which protrusions are of sufficiently low diameter to promote adhesion by increasing physical attractive forces between the adhesive structure and a target surface, as measured by shear adhesion.
    Type: Application
    Filed: December 29, 2011
    Publication date: June 7, 2012
    Applicants: AGENCY FOR SCIENCE TECHNOLOGY AND RESEARCH, ADVANCED TECHNOLOGIES & REGENERATIVE MEDICINE, LLC
    Inventors: Sriram Natarajan, Joseph J. Hammer, Kevin Cooper, Murty N. Vyakarnam, Hong Yee Low, Isabel Rodriguez, Chee Tiong Lim, Audrey Yoke Yee Ho
  • Publication number: 20120052234
    Abstract: An adhesive structure is provided comprising a surface from which extend substantially cylindrical protrusions comprising a stiff resin having a Young's modulus of greater than 17 MPa. The protrusions are of sufficiently low diameter to promote adhesion by physical attractive forces, e.g., Van der Waals attractive forces, as measured by shear adhesion between the adhesive structure and a target surface. A method for preparing the structure is provided as well as a combination of the adhesive structure and target surface.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 1, 2012
    Inventors: Sriram NATARAJAN, Kevin COOPER, Noha ELMOUELHI, Murty N. VYAKARNAM, Hong Yee LOw, Isabel RODRIGUEZ, Chee Tiong LIM, Audrey Yoke Yee HO