Patents by Inventor Anh-Tuan Tran

Anh-Tuan Tran 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: 8675450
    Abstract: Disclosed is a displacement estimating method of iteratively estimating displacement using ultrasound signals, and the method includes: transmitting, to a medium, at least one of the ultrasound signals to scan the medium; receiving the ultrasound signal reflected from the scanned medium; calculating a size of a window; calculating a border of the window based on the calculated window size; estimating displacement for each depth of the ultrasound signal, using the window with the calculated border; warping the ultrasound signal based on the estimated displacement; and guiding convergence of the method using the warped ultrasound signal so that a correlation value of the ultrasound signal is larger.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: March 18, 2014
    Assignee: Panasonic Corporation
    Inventors: Anh Tuan Tran, Kok Seng Chong, Shu Feng Fan
  • Publication number: 20130318109
    Abstract: A mechanism is provided for detecting and disregarding application specific nodes contained in shared XML documents. The techniques described involve determining one or more application specific nodes within XML documents and performing path expression evaluations of the XML documents as if the nodes are not present. In one embodiment, a mechanism is provided by which a user may specify the criterion that determine which subset of node in XML documents are to be ignored from path expression evaluations and evaluating a query that specifies a path operation based on a path and ignoring said identified nodes when evaluating said path operation.
    Type: Application
    Filed: July 29, 2013
    Publication date: November 28, 2013
    Inventors: Asha Tarachandani, Sivasankaran Chandrasekar, Man-Hay Tam, Anh-Tuan Tran, Ravi Murthy, Nipun Agarwal, Eric Sedlar
  • Patent number: 8510292
    Abstract: A mechanism is provided for detecting and disregarding application specific nodes contained in shared XML documents. The techniques described involve determining one or more application specific nodes within XML documents and performing path expression evaluations of the XML documents as if the nodes are not present. In one embodiment, a mechanism is provided by which a user may specify the criterion that determines which subset of nodes in XML documents are to be ignored from path expression evaluations. A query that specifies a path operation based on a path is evaluated ignoring said identified nodes when evaluating said path operation.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: August 13, 2013
    Assignee: Oracle International Coporation
    Inventors: Asha Tarachandani, Sivasankaran Chandrasekar, Man-Hay Tam, Anh-Tuan Tran, Ravi Murthy, Nipun Agarwal, Eric Sedlar
  • Publication number: 20130123416
    Abstract: Polypropylene composition comprising a polypropylene base resin whereby the polypropylene base resin has a MFR (2.16 kg, 230° C., ISO 1133) of 8 to 24 g/10 min and a LAOS-NLF>2.8 whereby LAOS?NLF=|/G?1/G?3| where G?1—first order Fourier Coefficient, G?3—third order Fourier Coefficient.
    Type: Application
    Filed: January 21, 2011
    Publication date: May 16, 2013
    Applicant: BOREALIS AG
    Inventors: Katja Klimke, Juha Yli-Peltola, Elke Pachner, Doris Machl, Hermann Braun, Susana Filipe, Anh Tuan Tran
  • Publication number: 20130123431
    Abstract: The present invention relates to a polypropylene composition showing a high melt flow rate and high melt strength while maintaining high impact strength. The composition of the present invention is obtainable by using a low molecular weight linear isotactic polypropylene as melt flow enhancer for a high molecular weight polypropylene having a high melt strength and impact strength. The inventive composition could be used for the production of different articles.
    Type: Application
    Filed: November 29, 2010
    Publication date: May 16, 2013
    Applicant: BOREALIS AG
    Inventors: Susana Filipe, Katja Klimke, Anh Tuan Tran, Petar Doshev, Antti Tynys, Martin Obadal, Cornelia Kock, David Friel
  • Publication number: 20130066584
    Abstract: A temperature estimation method including: receiving a scan signal generated by scanning the target region using the ultrasound signal, and estimating, based on the scan signal, an echo shift which is an amount of change in time required for the ultrasound signal to pass through the target region, the time changing depending on the temperature in the target region; estimating, based on the estimated echo shift, a strain which is an apparent change rate of a travel distance required for the ultrasound signal to pass through the target region, the travel distance changing depending on the temperature in the target region; estimating, based on the estimated strain, a strain rate which is a temporal change rate of the strain; and estimating the temperature in the target region corresponding to the strain and the strain rate, based on a predetermined relationship between a strain, a strain rate, and a temperature.
    Type: Application
    Filed: April 3, 2012
    Publication date: March 14, 2013
    Inventors: Li Lan, Shu Feng Fan, Kok Seng Chong, Anh Tuan Tran, Satoshi Kondo
  • Publication number: 20120220727
    Abstract: Heterophasic polypropylene resin having a MFR (2.16 kg, 230° C.) of at least 1.0 g/1 Omin, determined according to ISO 1133, comprising a propylene random copolymer matrix phase (A), and an ethylene-propylene copolymer rubber phase (B) dispersed within the matrix phase, wherein the heterophasic polypropylene resin has a fraction soluble in p-xylene at 25° C. (XCS fraction) being present in the resin in an amount of 15 to 45 wt % whereby the XCS fraction has an ethylene content of 25 wt % or lower, and a fraction insoluble in p-xylene at 25 0C (XCU fraction), said heterophasic polypropylene resin being characterised by a strain hardening factor (SHF) of 1.7 to 4.0 when measured at a strain rate of 3.0 s?1 and a Hencky strain of 3.0.
    Type: Application
    Filed: October 28, 2010
    Publication date: August 30, 2012
    Applicant: BOREALIS AG
    Inventors: Katja Klimke, Petar Doshev, Susana Filipe, Anh Tuan Tran
  • Publication number: 20120136255
    Abstract: To detect a malignant tumor more accurately by detecting a feature of a cancerous tumor pulsation more appropriately, a tissue malignant tumor detection method according to the present invention includes: segmenting, into blocks, a region scanned with ultrasound (S100); estimating, based on a scan signal, a tissue pulsation that is a temporal variation in tissue displacement derived from pulsations of a tissue (S101); extracting, for each of the blocks, pulsation-related features that are parameters related to the tissue pulsation (S103); calculating distribution characteristics of the pulsation-related features for each of the blocks (S104); and classifying, based on the distribution characteristics, whether or not each of the blocks is a malignant block that is a block including the malignant tumor (S105).
    Type: Application
    Filed: June 3, 2011
    Publication date: May 31, 2012
    Inventors: Shu Feng Fan, Anh Tuan Tran, Kok Seng Chong
  • Publication number: 20120002506
    Abstract: Disclosed is a displacement estimating method of iteratively estimating displacement using ultrasound signals, and the method includes: transmitting, to a medium, at least one of the ultrasound signals to scan the medium; receiving the ultrasound signal reflected from the scanned medium; calculating a size of a window; calculating a border of the window based on the calculated window size; estimating displacement for each depth of the ultrasound signal, using the window with the calculated border; warping the ultrasound signal based on the estimated displacement; and guiding convergence of the method using the warped ultrasound signal so that a correlation value of the ultrasound signal is larger.
    Type: Application
    Filed: January 19, 2011
    Publication date: January 5, 2012
    Inventors: Anh Tuan Tran, Kok Seng Chong, Shu Feng Fan
  • Patent number: 7885980
    Abstract: Techniques are provided for indexing XML documents using path subsetting. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents using user-defined criteria. The user-defined criteria are used to determine which nodes of XML documents to included in The PATH TABLE. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. Use of the user defined criteria is transparent to any query improves DML indexes overhead costs.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: February 8, 2011
    Assignee: Oracle International Corporation
    Inventors: Asha Tarachandani, Sivasankaran Chandrasekar, Nipun Agarwal, Eric Sedlar, Ravi Murthy, Anh-Tuan Tran
  • Publication number: 20100235344
    Abstract: Techniques are provided for utilizing partition pruning for XML indexes. The computer-implemented method comprises storing XML documents in a document table, which is equi-partitioned with a corresponding index table, and wherein the partitioned document table and the partitioned index table can be searched using a query comprising a partitioning pruning directive.
    Type: Application
    Filed: March 12, 2009
    Publication date: September 16, 2010
    Applicant: ORACLE INTERNATIONAL CORPORATION
    Inventors: Sivasankaran Chandrasekar, Anh-Tuan Tran, Nipun Agarwal
  • Patent number: 7680764
    Abstract: Populating an XML index is parallelized, providing both inter-document and intra-document parallelism, by using multiple pull-type parser processes to parse respective XML documents in parallel and to call respective ‘instances’ of the function that generates the index entries based on parsed XML node information. The function is configured to operate according to a cursor-type interface model, whereby each function instance can operate on one node at a time in a controlled pull manner rather than in an uncontrolled streaming manner. Hence, the index load procedure flow can be in the control of an application or routine, via the pull parsers, rather than in the control of a serial stream-based parser.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: March 16, 2010
    Assignee: Oracle International Corporation
    Inventors: Sivansankaran Chandrasekar, Anh-Tuan Tran, Ravi Murthy, Nipun Agarwal
  • Patent number: 7499915
    Abstract: Techniques are provided for indexing XML documents. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. If the node is associated with the value, then the PATH table row for the node may also include the value. Use of the PATH table to answer XPath queries is facilitated by secondary indexes.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: March 3, 2009
    Assignee: Oracle International Corporation
    Inventors: Sivasankaran Chandrasekar, Ravi Murthy, Ashish Thusoo, Anh-Tuan Tran, Sreedhar Mukkamalla, Eric Sedlar, Nipun Agarwal
  • Publication number: 20070299811
    Abstract: Populating an XML index is parallelized, providing both inter-document and intra-document parallelism, by using multiple pull-type parser processes to parse respective XML documents in parallel and to call respective ‘instances’ of the function that generates the index entries based on parsed XML node information. The function is configured to operate according to a cursor-type interface model, whereby each function instance can operate on one node at a time in a controlled pull manner rather than in an uncontrolled streaming manner. Hence, the index load procedure flow can be in the control of an application or routine, via the pull parsers, rather than in the control of a serial stream-based parser.
    Type: Application
    Filed: June 21, 2006
    Publication date: December 27, 2007
    Inventors: Sivansankaran Chandrasekar, Anh-Tuan Tran, Ravi Murthy, Nipun Agarwal
  • Publication number: 20070276792
    Abstract: A mechanism is provided for detecting and disregarding application specific nodes contained in shared XML documents. The techniques described involve determining one or more application specific nodes within XML documents and performing path expression evaluations of the XML documents as if the nodes are not present. In one embodiment, a mechanism is provided by which a user may specify the criterion that determine which subset of node in XML documents are to be ignored from path expression evaluations and evaluating a query that specifies a path operation based on a path and ignoring said identified nodes when evaluating said path operation.
    Type: Application
    Filed: May 25, 2006
    Publication date: November 29, 2007
    Inventors: Asha Tarachandani, Sivasankaran Chandrasekar, Man-Hay Tam, Anh-Tuan Tran, Ravi Murthy, Nipun Agarwal, Eric Sedlar
  • Publication number: 20060184551
    Abstract: Techniques are provided for indexing XML documents using path subsetting. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents using user-defined criteria. The user-defined criteria are used to determine which nodes of XML documents to included in The PATH TABLE. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. Use of the user defined criteria is transparent to any query improves DML indexes overhead costs.
    Type: Application
    Filed: April 10, 2006
    Publication date: August 17, 2006
    Inventors: Asha Tarachandani, Sivasankaran Chandrasekar, Nipun Agarwal, Eric Sedlar, Ravi Murthy, Anh-Tuan Tran
  • Publication number: 20050228792
    Abstract: Techniques are provided for indexing XML documents. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. If the node is associated with the value, then the PATH table row for the node may also include the value. Use of the PATH table to answer XPath queries is facilitated by secondary indexes.
    Type: Application
    Filed: July 2, 2004
    Publication date: October 13, 2005
    Applicant: ORACLE INTERNATIONAL CORPORATION
    Inventors: Sivasankaran Chandrasekaran, Ravi Murthy, Ashish Thusoo, Anh-Tuan Tran, Sreedhar Mukkamalla, Eric Sedlar, Nipun Agarwal
  • Patent number: 6859808
    Abstract: A mapping mechanism for a primary B+tree in a database management system. The primary B+tree includes a plurality of rows. The mapping mechanism includes introducing a mapping table that includes a plurality of rows, including a row for each row of the primary B+tree, and that stores the logical identifier of the corresponding primary B+tree row. In addition, reverse mapping is provided by augmenting a primary B+tree to include in each primary B+tree row a physical row identifier of the corresponding mapping table row. An auxiliary structure created on a primary B+tree can make use of the proposed mapping mechanism. Specifically, the auxiliary structures refers to primary B+tree rows indirectly by storing the physical row identifier of the corresponding mapping table row.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: February 22, 2005
    Assignee: Oracle International Corporation
    Inventors: Eugene I. Chong, Jagannathan Srinivasan, Souripriya Das, Charles G. Freiwald, Aravind Yalamanchi, Mahesh Jagannath, Anh-Tuan Tran, Ramkumar Krishnan