Patents by Inventor Roman Ivanov

Roman Ivanov 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: 20190241783
    Abstract: The invention provides a chemical-mechanical polishing composition comprising (a) silica particles, (b) a polymer comprising sulfonic acid monomeric units, (c) optionally, a buffering agent, and (d) water, wherein the polishing composition has a pH of about 2 to about 5. The invention further provides a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate comprises silicon carbide and silicon nitride.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Roman IVANOV, Fernando HUNG LOW, Cheng-Yuan KO, Glenn WHITENER
  • Patent number: 10370640
    Abstract: Self-aligned fibrous scaffolds are disclosed. The scaffolds are capable of automechanoinduction of cell cultures and methods to induce authomechanoinduction in cancer cells and stem cells are disclosed as well.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: August 6, 2019
    Assignee: Tallinn University of Technology
    Inventors: Irina Hussainova, Michael Gasik, Roman Ivanov
  • Patent number: 10294399
    Abstract: The invention provides a chemical-mechanical polishing composition comprising (a) silica particles, (b) a polymer comprising sulfonic acid monomeric units, (c) optionally, a buffering agent, and (d) water, wherein the polishing composition has a pH of about 2 to about 5. The invention further provides a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate comprises silicon carbide and silicon nitride.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: May 21, 2019
    Assignee: Cabot Microelectronics Corporation
    Inventors: Roman Ivanov, Fernando Hung Low, Cheng-Yuan Ko, Glenn Whitener
  • Publication number: 20190075367
    Abstract: Method for receiving video streams (1001, 1003, 1004) from a video server (10) in a client device (20), the video streams comprising a sequence of videos in a binary data format, the method comprising: receiving (101) a linear video stream (1001) from the video server in the client device; receiving (102) a switching signal (1002) from the video server in the client device; and in response to the switching signal, switching (104) from receiving the linear video stream to receiving (105) a personalized video stream (1003) from the video server in the client device, wherein a last video finishes (103) before switching to the personalized video stream, wherein the last video is a video that is being received in the linear video stream when the switching signal is received in the client device.
    Type: Application
    Filed: April 14, 2016
    Publication date: March 7, 2019
    Inventors: Pieter Dirk van Zessen, Lucas Jules Angelo, Nikita Kovalchuk, Roman Ivanov
  • Patent number: 10100272
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains a bulky protecting ligand, an organic amine, an organic inhibitor, and water. The invention also provides methods for using the cleaning composition.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: October 16, 2018
    Assignee: Cabot Microelectronics Corporation
    Inventors: Roman Ivanov, Cheng-yuan Ko, Fred Sun
  • Publication number: 20180190506
    Abstract: The invention provides a chemical-mechanical polishing composition comprising (a) silica particles, (b) a polymer comprising sulfonic acid monomeric units, (c) optionally, a buffering agent, and (d) water, wherein the polishing composition has a pH of about 2 to about 5. The invention further provides a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate comprises silicon carbide and silicon nitride.
    Type: Application
    Filed: January 5, 2017
    Publication date: July 5, 2018
    Inventors: Roman IVANOV, Fernando HUNG LOW, Cheng-Yuan KO, Glenn WHITENER
  • Publication number: 20180016551
    Abstract: Self-aligned fibrous scaffolds are disclosed. The scaffolds are capable of automechanoinduction of cell cultures and methods to induce authomechanoinduction in cancer cells and stem cells are disclosed as well.
    Type: Application
    Filed: July 10, 2017
    Publication date: January 18, 2018
    Applicant: Tallinn University of Technology
    Inventors: Irina Hussainova, Michael Gasik, Roman Ivanov
  • Publication number: 20170357137
    Abstract: The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid does not exceed 25% by weight and the additive particles are not seen at the viewing side during operation of the display. The resulting fluid can improve optical performance of a display device, such as image stability and contrast ratio. The present invention is also directed to an electrophoretic display comprising the electrophoretic fluid.
    Type: Application
    Filed: August 28, 2017
    Publication date: December 14, 2017
    Inventors: Ming WANG, Yu LI, Hui DU, Haiyan GU, Roman IVANOV, Robert A. SPRAGUE, HongMei ZANG, Xiaojia ZHANG
  • Patent number: 9828574
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains one or more quaternary ammonium hydroxides, one or more organic amines, one or more metal inhibitors, and water. The invention also provides methods for using the cleaning composition.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: November 28, 2017
    Assignee: Cabot Microelectronics Corporation
    Inventors: Roman Ivanov, Fernando Hung, Cheng-Yuan Ko, Fred Sun
  • Patent number: 9778537
    Abstract: The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid is 2.5% to 25% by weight and the additive particles are not seen at the viewing side during operation of the display. The resulting fluid can improve optical performance of a display device, such as image stability and contrast ratio. The present invention is also directed to an electrophoretic display comprising the electrophoretic fluid.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: October 3, 2017
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Ming Wang, Yu Li, Hui Du, Xiaojia Zhang, Haiyan Gu, Roman Ivanov, Robert A. Sprague, HongMei Zang
  • Publication number: 20170158993
    Abstract: The invention provides stabilized solutions useful as raw materials in various applications and methods for stabilizing such aqueous solutions with a stabilizer comprising one or more dialkylhydroxylamines or inorganic or organic acid salts thereof. Stabilized solutions and methods for stabilizing aqueous solutions thereof, include, for example, those of tris(2-hydroxy ethyl)methylammonium hydroxide (THEMAH) and/or carbohydrazide (CHZ).
    Type: Application
    Filed: July 17, 2015
    Publication date: June 8, 2017
    Applicant: Cabot Microelectronics Corporation
    Inventors: Roman IVANOV, Cheng-Yuan KO, Fred SUN
  • Publication number: 20170158992
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains a bulky protecting ligand, an organic amine, an organic inhibitor, and water. The invention also provides methods for using the cleaning composition.
    Type: Application
    Filed: July 17, 2015
    Publication date: June 8, 2017
    Inventors: Roman IVANOV, Cheng-yuan KO, Fred SUN
  • Patent number: 9541814
    Abstract: The present invention is directed to a color display device in which each pixel can display at least five high-quality color states, and an electrophoretic fluid for such an electrophoretic display. In one aspect, the different types of particles exhibit different levels of attraction force to display different color states. In another aspect, the different types of particles exhibit different levels of mobility in different driving voltage ranges to display different color states.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: January 10, 2017
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Ming Wang, Hui Du, Xiaojia Zhang, Yu Li, Roman Ivanov, Yajuan Chen
  • Patent number: 9423666
    Abstract: The present invention is directed to an electrophoretic fluid which comprises uncharged or lightly charged neutral buoyancy particles. The resulting fluid can improve not only image stability but also contrast ratio of a display device, without significantly affecting the switching speed. The present invention is also directed to an electrophoretic display comprising display cells filled with the electrophoretic fluid.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: August 23, 2016
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Ming Wang, Yu Li, Hui Du, Xiaojia Zhang, Haiyan Gu, Roman Ivanov, Robert Sprague
  • Publication number: 20160201016
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains one or more quaternary ammonium hydroxides, one or more organic amines, one or more metal inhibitors, and water. The invention also provides methods for using the cleaning composition.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 14, 2016
    Inventors: Roman Ivanov, Fernando Hung, Cheng-Yuan Ko, Fred Sun
  • Publication number: 20160139483
    Abstract: The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid is 2.5% to 25% by weight and the additive particles are not seen at the viewing side during operation of the display. The resulting fluid can improve optical performance of a display device, such as image stability and contrast ratio. The present invention is also directed to an electrophoretic display comprising the electrophoretic fluid.
    Type: Application
    Filed: January 21, 2016
    Publication date: May 19, 2016
    Inventors: Ming Wang, Yu Li, Hui Du, Xiaojia Zhang, Haiyan Gu, Roman Ivanov, Robert A. Sprague, HongMei Zang
  • Patent number: 9341915
    Abstract: The invention is directed to an electrophoretic fluid which can improve display performance such as switching speed, vertical bistability and the ghosting effect, and also reduce display defects. The electrophoretic fluid comprises charged pigment particles dispersed in a mixture of isoparaffins.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: May 17, 2016
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Bo-Ru Yang, Yao-Jen Hsieh, Hong-Mei Zang, Hui Du, T J Lin, Roman Ivanov, Haiyan Gu
  • Publication number: 20150234250
    Abstract: The present invention is directed to a color display device in which each pixel can display at least five high-quality color states, and an electrophoretic fluid for such an electrophoretic display. In one aspect, the different types of particles exhibit different levels of attraction force to display different color states. In another aspect, the different types of particles exhibit different levels of mobility in different driving voltage ranges to display different color states.
    Type: Application
    Filed: February 19, 2015
    Publication date: August 20, 2015
    Inventors: Craig LIN, Ming Wang, Hui Du, Xiaojia Zhang, Yu Li, Roman Ivanov, Yajuan Chen
  • Publication number: 20150062690
    Abstract: The present invention is directed to an electrophoretic fluid which comprises uncharged or lightly charged neutral buoyancy particles. The resulting fluid can improve not only image stability but also contrast ratio of a display device, without significantly affecting the switching speed. The present invention is also directed to an electrophoretic display comprising display cells filled with the electrophoretic fluid.
    Type: Application
    Filed: November 6, 2014
    Publication date: March 5, 2015
    Inventors: Ming Wang, Yu Li, Hui Du, Xiaojia Zhang, Haiyan Gu, Roman Ivanov, Robert Sprague
  • Patent number: 8917439
    Abstract: The present invention is directed to a color display comprising an electrophoretic fluid which comprises one or two types of pigment particles dispersed in a clear and colorless or clear and colored solvent, wherein said electrophoretic fluid is sandwiched between a common electrode and a plurality of driving electrodes. The driving electrodes are kept at a certain distance in order to expose a background layer.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: December 23, 2014
    Assignee: E Ink California, LLC
    Inventors: Ming Wang, Craig Lin, Roman Ivanov, Xiaojia Zhang, Robert A. Sprague