Patents by Inventor Sadao Kanbe

Sadao Kanbe 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: 9620719
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: April 11, 2017
    Assignees: SEIKO EPSON CORPORATION, CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Sadao Kanbe, Shunichi Seki
  • Patent number: 8614545
    Abstract: A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (801), (802), (803) on a transparent substrate' (804) and forming on the pixel electrodes by patterning luminescent layers (806), (807), (808) made of an organic compound by means of an ink-jet method. According to this method, it is possible to carry out a high precise patterning easily and in a short time, thereby enabling to carry out optimization for a film design and luminescent characteristic easily as well as making it easy to adjust a luminous efficiency.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: December 24, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Satoru Miyashita, Hiroshi Kiguchi, Tatsuya Shimoda, Sadao Kanbe
  • Publication number: 20120263867
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substitiuents have at least three carbon atoms in total.
    Type: Application
    Filed: June 29, 2012
    Publication date: October 18, 2012
    Applicants: SEIKO EPSON CORPORATION, CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Sadao KANBE, Shunichi SEKI
  • Patent number: 8231932
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: July 31, 2012
    Assignees: Cambridge Display Technology Limited, Seiko Epson Corporation
    Inventors: Sadao Kanbe, Shunichi Seki
  • Patent number: 8187669
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitation of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: May 29, 2012
    Assignees: Seiko Epson Corporation, Cambridge Display Technology Limited
    Inventors: Sadao Kanbe, Shunichi Seki
  • Patent number: 8003025
    Abstract: The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method for microcapsules for the electrophoretic displays; wherein the microcapsule composition contains microcapsules and, when used for the electrophoretic displays, can make them as excellent as conventional in various performances (e.g. longtime stability of displaying, respondability of displaying, contrast, and number of times of display rewritability) and, particularly above all, can make the electrophoretic displays exhibit a very high performance as to the contrast.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: August 23, 2011
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Sadao Kanbe, Hideyuki Kawai, Mitsuo Kushino, Makoto Matsumoto
  • Patent number: 7964076
    Abstract: A method of manufacturing an electrophoretic display sheet, comprising: forming a wall material on a first substrate, the wall material defining a disposing region; disposing a plurality of microcapsules to the disposing region, each of the plurality of microcapsules including an electrophoretic dispersion liquid in a shell; and arranging at least a part of the plurality of microcapsules on the disposing region by rubbing the wall material with a plate to sweep the plurality of microcapsules.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: June 21, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Patent number: 7961377
    Abstract: A method for making an electrophoretic solution includes: including two kinds of particles having different charging polarities into the electrophoretic solution; calculating a mixing ratio so that charge amounts of the two kinds of particles become approximately equal to each other on a basis of a unit volume of a dispersion medium; and mixing the two kinds of particles in each mixed quantity that satisfies the calculated mixing ratio.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: June 14, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Patent number: 7858177
    Abstract: The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method for microcapsules for the electrophoretic displays; wherein the microcapsule composition contains microcapsules and, when used for the electrophoretic displays, can make them as excellent as conventional in various performances (e.g. longtime stability of displaying, respondability of displaying, contrast, and number of times of display rewritability) and, particularly above all, can make the electrophoretic displays exhibit a very high performance as to the contrast.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: December 28, 2010
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Sadao Kanbe, Hideyuki Kawai, Mitsuo Kushino, Makoto Matsumoto
  • Publication number: 20100208331
    Abstract: A method for making an electrophoretic solution includes: including two kinds of particles having different charging polarities into the electrophoretic solution; calculating a mixing ratio so that charge amounts of the two kinds of particles become approximately equal to each other on a basis of a unit volume of a dispersion medium; and mixing the two kinds of particles in each mixed quantity that satisfies the calculated mixing ratio.
    Type: Application
    Filed: April 1, 2010
    Publication date: August 19, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Sadao Kanbe
  • Patent number: 7719757
    Abstract: A microcapsule includes an electrophoretic dispersion liquid including at least one kind of electrophoretic particle having a polarity, and a capsule body encapsulating the electrophoretic dispersion liquid and made of a polymeric material including one of a nonpolar resin without having a polarity and a resin material having a nonpolar group without having a polarity as a side chain.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: May 18, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Patent number: 7719755
    Abstract: A method for making an electrophoretic solution includes: including two kinds of particles having different charging polarities into the electrophoretic solution; calculating a mixing ratio so that charge amounts of the two kinds of particles become approximately equal to each other on a basis of a unit volume of a dispersion medium; and mixing the two kinds of particles in each mixed quantity that satisfies the calculated mixing ratio.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: May 18, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Publication number: 20100120185
    Abstract: A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (801), (802), (803) on a transparent substrate' (804) and forming on the pixel electrodes by patterning luminescent layers (806), (807), (808) made of an organic compound by means of an ink-jet method. According to this method, it is possible to carry out a high precise patterning easily and in a short time, thereby enabling to carry out optimization for a film design and luminescent characteristic easily as well as making it easy to adjust a luminous efficiency.
    Type: Application
    Filed: December 31, 2009
    Publication date: May 13, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Satoru MIYASHITA, Hiroshi KIGUCHI, Tatsuya SHIMODA, Sadao KANBE
  • Patent number: 7662425
    Abstract: A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (801), (802), (803) on a transparent substrate (804) and forming on the pixel electrodes by patterning luminescent layers (806), (807), (808) made of an organic compound by means of an ink-jet method. According to this method, it is possible to carry out a high precise patterning easily and in a short time, thereby enabling to carry out optimization for a film design and luminescent characteristic easily as well as making it easy to adjust a luminous efficiency.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: February 16, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Satoru Miyashita, Hiroshi Kiguchi, Tatsuya Shimoda, Sadao Kanbe
  • Patent number: 7660032
    Abstract: A mixture of a first material having high chemical affinity for the electrophoretic particles 6a and a second material having low chemical affinity therefor is used as a binder for fixing microcapsules 5 between a first electrode 3 and a second electrode 4.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: February 9, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Publication number: 20090186161
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitation of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.
    Type: Application
    Filed: March 10, 2009
    Publication date: July 23, 2009
    Applicants: Cambridge Display Technology Limited, Seiko Epson Corporation
    Inventors: Sadao KANBE, Shunichi SEKI
  • Publication number: 20090127728
    Abstract: The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method for microcapsules for the electrophoretic displays; wherein the microcapsule composition contains microcapsules and, when used for the electrophoretic displays, can make them as excellent as conventional in various performances (e.g. longtime stability of displaying, respondability of displaying, contrast, and number of times of display rewritability) and, particularly above all, can make the electrophoretic displays exhibit a very high performance as to the contrast.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 21, 2009
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Sadao Kanbe, Hideyuki Kawai, Mitsuo Kushino, Makoto Matsumoto
  • Patent number: 7525721
    Abstract: Titania particles including charged particles that are used in an electrophoretic device, wherein surfaces of the particles are finished using a surface finishing agent containing a composition having a single reactive group so that the composition bonds to the particles at the reactive group of the composition.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: April 28, 2009
    Assignee: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Publication number: 20090059350
    Abstract: A microcapsule includes an electrophoretic dispersion liquid including at least one kind of electrophoretic particle having a polarity, and a capsule body encapsulating the electrophoretic dispersion liquid and made of a polymeric material including one of a nonpolar resin without having a polarity and a resin material having a nonpolar group without having a polarity as a side chain.
    Type: Application
    Filed: October 23, 2008
    Publication date: March 5, 2009
    Applicant: Seiko Epson Corporation
    Inventor: Sadao Kanbe
  • Publication number: 20080305245
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.
    Type: Application
    Filed: August 4, 2008
    Publication date: December 11, 2008
    Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SEIKO EPSON CORPORATION
    Inventors: Sadao Kanbe, Shunichi Seki