Patents by Inventor A. Kumar Das

A. Kumar Das 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).

  • Publication number: 20140229490
    Abstract: The invention is directed towards enabling data volume and data type based licensing of software in a distributed system of a plurality of remote and/or local nodes. The invention enables measuring and optionally restricting the use of software based on one or more provided licenses that restrict the amount and type of data that may be processed by the software. New and older licenses may be added together for a single, bulk entitlement for a given volume of data processing for one or all types of data. Different users in the same enterprise may combine license entitlements too. Also, a new license can be acquired repeatedly, without requiring the issuance of combined licenses by the issuing authority and/or the revocation of prior licenses.
    Type: Application
    Filed: October 11, 2013
    Publication date: August 14, 2014
    Applicant: Splunk Inc.
    Inventors: Vishal Patel, Jimmy John, Stephen Phillip Sorkin, Johnathon Lee Cervelli, Mitchell Neuman Blank, JR., Robin Kumar Das
  • Publication number: 20140213261
    Abstract: Systems and method provide for cell reconfirmation methods for a multi-Radio Access Technology (RAT) capable User Equipment (UE). A method for performing a cell reconfirmation method by a multi-Radio Access Technology (RAT) capable User Equipment (UE), the method includes: performing, by the UE, cell reconfirmation using information derived from a Normal Burst (NB) of a transmitted Global System for Mobile communication (GSM) radio signal, wherein the cell reconfirmation verifies an identity of a GSM cell associated with the transmitted GSM radio signal. The method can further include: operating the multi-RAT capable UE in a serving cell of a first RAT; and selecting the cell reconfirmation method to reconfirm a Global System for Mobile (GSM) communication neighbor cell located in a second RAT which is a GSM RAT, wherein a first cell reconfirmation method uses a received Normal Burst (NB) and a second cell reconfirmation method uses a received Synchronization Burst (SB).
    Type: Application
    Filed: January 25, 2013
    Publication date: July 31, 2014
    Applicant: ST-ERICSSON SA
    Inventors: Sajal Kumar DAS, Pankaj JAISWAL
  • Publication number: 20140198915
    Abstract: Selective deciphering of a received signal, as taught herein, provides a number of advantages, including greater efficiency through the elimination or at least reduction of wasted decoding cycles. The technique, such as practiced in a user equipment or other wireless communication device, capitalizes on the advantageous recognition herein that the demodulation results obtained for at least some types of received data blocks may be inspected or otherwise evaluated for characteristic patterns that are indicative of whether the data block was or was not ciphered for transmission. That evaluation informs the selective deciphering decision.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 17, 2014
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Ravitej Ballakur, Sajal Kumar Das, Suyog Moogi
  • Patent number: 8779156
    Abstract: Compounds represented by formula I or pharmaceutically acceptable salts thereof, wherein A, B, B?, X, Y, R1, R2, R2?, R3, R3?, R4, R4?, R5, R5?, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: July 15, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Sanjoy Kumar Das, Youssef L. Benanni, Laval Chan Chun Kong, John Maxwell, T. Jagadeeswar Reddy, Constantin Yannopoulos, Bingcan Liu, Caroline Cadilhac, Simon Giroux, James A. Henderson, Real Denis, Louis Vaillancourt, Oswy Z. Pereira, Carl Poisson, Guy Falardeau, Mark A. Morris
  • Publication number: 20140195055
    Abstract: A computer implemented blend control system and method for preparation of a hydrocarbon blend from a plurality of component streams have been disclosed. The system includes a product tank for receiving a mixture comprising the plurality of component streams. The system further includes a sensing and analyzing means adapted to sense and analyze a first attribute of the received mixture for obtaining a first attribute data. The system further includes an optimizing means which stores the attribute based model data, receives the first attribute data and compares the received first attribute data with the attribute based model data to compute an optimized proportion data, based on which the component streams are selectively drawn into the product tank for preparing the hydrocarbon blend.
    Type: Application
    Filed: January 8, 2014
    Publication date: July 10, 2014
    Applicant: RELIANCE INDUSTRIES LIMITED
    Inventors: Anil Wadhwa, Ashish Ranjan Jha, Chandra Saravanan, Asit Kumar Das, Pinakiranjan Sankarprasad Patra, Sukumar Mandal, Praveen Kumar Chinthala, Gopal Ravichandran, Sudhirkumar Raojibhai Patel, Anand Raj Rajan, Ashok Swamisharan Pathak, Saumya Srivastava
  • Publication number: 20140194657
    Abstract: A computer implemented blend control system and method for preparation of a hydrocarbon blend from a plurality of components drawn from respective component tanks have been disclosed. The system, in accordance with the present disclosure includes at least one sensing and analyzing means adapted to sense and analyze a first attribute of at least one of the components for obtaining first attribute data. The system further includes, at least one optimizing means having a data storage means for storing attribute based model data. The optimizing means receives the first attribute data and transmits the received first attribute data to a comparator means which computes an optimized proportion data between each of the component streams to enable selective drawing of each of the component streams in accordance with the optimized proportion data for preparing the hydrocarbon blend.
    Type: Application
    Filed: January 8, 2014
    Publication date: July 10, 2014
    Applicant: Reliance Industries Limited
    Inventors: Anil Wadhwa, Ashish Ranjan Jha, Chandra Saravanan, Asit Kumar Das, Pinakiranjan Sankarprasad Patra, Sukumar Mandal, Praveen Kumar Chinthala, Gopal Ravichandran, Sudhirkumar Raojibhai Patel, Anand Raj Rajan, Ashok Swamisharan Pathak, Saumya Srivastava
  • Publication number: 20140187424
    Abstract: The present disclosure provides formulations of pyrethroid compounds comprising nanoparticles of polymer-associated pyrethroid compounds along with various formulating agents. The present disclosure also provides methods for producing and using these formulations. The disclosure describes various formulations and formulating agents that can be included in the formulations. Additionally, the disclosures describes application to various plants and pests as well as advantages of the disclosed formulations.
    Type: Application
    Filed: August 23, 2012
    Publication date: July 3, 2014
    Applicant: VIVE CROP PROTECTION INC.
    Inventors: Danielle Norton, Nikolai Loukine, Rachel Gong, Henry Galas, Jose Amado Dinglasan, Anjan Kumar Das, Darren J. Anderson
  • Patent number: 8765731
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: July 1, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: James A. Henderson, John Maxwell, Louis Vaillancourt, Mark Morris, Ronald Grey, Jr., Simon Giroux, Laval Chan Chun Kong, Sanjoy Kumar Das, Bingan Liu, Carl Poisson, Caroline Cadilhac, Monica Bubenik, T. Jagadeeswar Reddy, Guy Falardeau, Constantin Yannopoulos, Jian Wang, Oswy Z. Pereira, Youssef L. Bennani, Albert C. Pierce, Govinda Rao Bhisetti, Kevin M. Cottrell, Valerie Marone
  • Publication number: 20140161116
    Abstract: The present disclosure relates to a method for synchronizing a radio device with a network node of a Global System for Mobile Communications, GSM, radio communication system. The method comprises obtaining a reference array based on a known training sequence, TSC, of a synchronization burst, SB, of a synchronization channel, SCH, of the network node. The method also comprises receiving an SB including the TSC from the network node and forming a received array. The method also comprises comparing the reference array to the received array for finding a sequence of the received array which has identity with the reference array, and thereby finding the position of the TSC in the received SB. The method also comprises determining whether the identity of the found sequence with the reference array is above a predefined threshold, in which case the radio device can be time synchronized based on the found TSC.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 12, 2014
    Inventors: Sajal Kumar Das, Pankaj Jaiswal
  • Publication number: 20140149438
    Abstract: Methods and apparatus consistent with the invention provide the ability to organize and build understandings of machine data generated by a variety of information-processing environments. Machine data is a product of information-processing systems (e.g., activity logs, configuration files, messages, database records) and represents the evidence of particular events that have taken place and been recorded in raw data format. In one embodiment, machine data is turned into a machine data web by organizing machine data into events and then linking events together.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: SPLUNK INC.
    Inventors: Michael Joseph BAUM, R. David CARASSO, Robin Kumar DAS, Bradley HALL, Brian Phillip MURPHY, Stephen Phillip SORKIN, Andre David STECHERT, Erik M. SWAN, Rory GREENE, Nicholas Christian MEALY, Christina Frances Regina NOREN
  • Publication number: 20140142204
    Abstract: A process and system are described for producing a synthetic crude oil by contacting a synthesis gas with a combination of a synthesis gas conversion catalyst and a hydroconversion catalyst in a synthesis gas reactor. The synthesis gas can be obtained from gas associated with crude oil production, i.e., associated gas, in a synthesis gas generator. The synthetic crude oil can be blended with a natural crude oil to produce a blended stabilized crude oil having 2 wt % or more of the synthetic crude oil. The resulting blended stabilized crude oil has improved flow characteristics including a pour point of 30° C. or less.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: Chevron U.S.A. Inc.
    Inventors: Charles Leonard Kibby, Dennis John O'Rear, Robert James Saxton, Tapan Kumar Das, Kandaswany Jothimurugesan, Allison Amy Evans, Michelle Hart
  • Patent number: 8728195
    Abstract: Direct reduced iron (DRI) is obtained from iron ore by reduction using microwave assisted low temperature hydrogen plasma. The process includes steps of: (a) loading iron ore onto a sample holder (b) placing the sample holder inside a chamber followed by evacuating the chamber; (c) introducing hydrogen gas in the chamber at flow rate ranging between 100-500 standard cubic centimeters (sccm) followed by heating the sample holder and the iron ore at a temperature ranging between 300-800° C., a pressure ranging between 20-100 torr and a microwave power ranging between 500-1500 W to obtain direct reduced iron; and (d) cooling the direct reduced iron obtained in step (c) by flowing hydrogen at flow rate of about 300 sccm.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: May 20, 2014
    Assignee: Council of Scientific & Industrial Research
    Inventors: Bhagyadhar Bhoi, Barada Kanta Mishra, Raja Kishore Paramguru, Siddharth Kumar Pradhan, Partha Sarathi Mukherjee, Sambita Sahoo, Snigdha Priyadarshini, Priyanka Rajput, Subir Kumar Das
  • Publication number: 20140116923
    Abstract: The present invention relates to a catalyst for Fluid Catalytic Cracking (FCC) which contains a combination of a FCC catalyst component and an additive component with certain physical properties attributed therein. The present invention is also directed to provide methods for the preparation of the catalyst for FCC. The admixture of the FCC catalyst component and additive component is used in cracking of hydrocarbon feedstock containing hydrocarbons of higher molecular weight and higher boiling point and/or olefin gasoline naphtha feedstock for producing lower yield of fuel gas with out affecting the conversion and yield of general cracking products such as gasoline, propylene and C4 olefins.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: RELIANCE INDUSTRIES LIMITED
    Inventors: Srikanta DINDA, Praveen Kumar CHINTHALA, Amit GOHEL, Ashwani YADAV, Sukumar MANDAL, Gopal RAVICHANDRAN, Asit Kumar DAS
  • Publication number: 20140100385
    Abstract: The present invention relates to a process for the preparation of succinylcholine chloride, a pharmaceutically active compound used as skeletal muscle relaxant which comprises condensing succinic anhydride with N,N-diemthylaminoethanol using a catalyst in presence of a solvent to form bis[2-(dimethylamino)ethyl]succinate; in situ purifying the bis[2-(dimethylamino)ethyl]succinate using a base; reacting pure bis[2-(dimethylamino)ethyl]succinate with methyl chloride gas using an alcohol; and purifying the obtained crude succinylcholine chloride using water and alcohol.
    Type: Application
    Filed: February 20, 2013
    Publication date: April 10, 2014
    Applicant: SEQUENT SCIENTIFIC LIMITED
    Inventors: Mahalinga MANJATHURU, Anil Narayan MAYEKAR, Pejakala Kakrannaya VASUDEVA, Thangavel ARULMOLI, Gautam Kumar DAS
  • Patent number: 8691173
    Abstract: The invention relates to a composition for treatment of water comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash. The bactericidal agent bonded to the rice husk ash is preferably silver and more particularly the bactericidal agent is nano silver. The invention also relates to a method of water purification using a composition comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: April 8, 2014
    Assignee: Tata Consultancy Services Ltd.
    Inventors: Kalyan Kumar Das, Chetan Premkumar Malhotra
  • Patent number: 8694450
    Abstract: Methods and apparatus consistent with the invention provide the ability to organize and build understandings of machine data generated by a variety of information-processing environments. Machine data is a product of information-processing systems (e.g., activity logs, configuration files, messages, database records) and represents the evidence of particular events that have taken place and been recorded in raw data format. In one embodiment, machine data is turned into a machine data web by organizing machine data into events and then linking events together.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: April 8, 2014
    Assignee: Splunk Inc.
    Inventors: Michael Joseph Baum, R. David Carasso, Robin Kumar Das, Bradley Hall, Brian Philip Murphy, Stephen Phillip Sorkin, Andre David Stechert, Erik M. Swan, Rory Greene, Nicholas Christian Mealy, Christina Frances Regina Noren
  • Patent number: 8693583
    Abstract: Techniques for decoding repeated messages sent from a transmitter are improved with information obtained from the decoding of the first transmission and by augmenting Chase combining techniques with a voting-based combining method. In an example method, first encoded bits corresponding to a first instance of the repeated message and demodulated to obtain first soft bits, which are decoded to obtain first decoded bits. Second encoded bits corresponding to a second instance of the repeated message are demodulated to obtain second soft bits. The first decoded bits are re-encoded to obtain re-encoded bits. Sign values for modified soft bits are determined from sign values for the first soft bits, the sign values for the second soft bits, and the sign values for the re-encoded bits. The modified soft bits are combined with the first soft bits and decoded.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: April 8, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Sajal Kumar Das, Miguel M. Lopez
  • Patent number: 8685232
    Abstract: Manufacture of propylene and ethylene in a FCC unit. Each FCC riser comprises an acceleration zone, a lift stream feed nozzle, a main hydrocarbon stock feed nozzle, and an olefinic naphtha feed nozzle. Mixed FCC catalyst comprising at least 2 percent by weight pentasil zeolite and at least 10 percent by weight Y-zeolite is injected at the bottom of each FCC riser. Olefinic naptha is injected through the olefinic feed nozzle, main hydrocarbon stock is injected through the main hydrocarbon stock feed nozzle and lift stream is injected through the lift stream feed nozzle. Lift stream comprises olefinic C4 hydrocarbon stream and optionally steam and/or a fuel gas. Olefinic C4 hydrocarbon steam is cracked in the acceleration zone at 600 to 800° C., 0.8 to 5 kg/cm2 (gauge) pressure, WHSV 0.2 to 100 hr up 1 and vapour residence time 0.2 to 5 seconds.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: April 1, 2014
    Assignee: Reliance Industries Limited
    Inventors: Sukumar Mandal, Asit Kumar Das, Ashwani Yadav, Manoj Yadav, Akhilesh Bhatnagar, Rajeshwar Dongara, Veera Venkata Satya Bhaskara Sita Rama Murthy Katravulapalli
  • Patent number: 8682860
    Abstract: Embodiments are directed towards a system and method for a cloud-based front end that may abstract and enable access to the underlying cloud-hosted elements and objects that may be part of a multi-tenant application, such as a search application. Search objects may be employed to access indexed objects. An amount of indexed data accessible to a user may be based on an index storage limit selected by the user, such that data that exceeds the index storage limit may continue to be indexed. Also, one or more projects can be elastically scaled for a user to provide resources that may meet the specific needs of each project.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: March 25, 2014
    Assignee: Splunk Inc.
    Inventors: Robin Kumar Das, Ledio Ago, Declan Gerard Shanaghy, Gaurav Gupta
  • Patent number: 8682251
    Abstract: Described herein are various methods for a communication device (e.g., a mobile station) receiving an AQPSK modulated signal (e.g., a VAMOS signal) to estimate a subchannel power imbalance ratio (SCPIR). Advantageously, the methods are not computationally complex and do not suffer from poor numerical performance.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: March 25, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Sajal Kumar Das, Aravindh Krishnamoorthy, Leela Srikar Muppirisetty