Patents by Inventor Teruki Matsushita

Teruki Matsushita 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: 8547324
    Abstract: An electrophoretic display sheet comprising a display layer, a first electrode, and second electrodes. The display layer has a plurality of reservoir portions filled with a dispersion liquid containing particles. Each of the plurality of reservoir portions has predetermined positions. When an electric field having a direction is generated by applying a voltage to between the first electrode and the second electrodes, the particles are locally gathered to the predetermined positions of each of the plurality of reservoir portions so as to make rows of the particles along the direction of the electric field in the dispersion liquid. The electrophoretic display sheet is capable of exhibiting both superior responsiveness (responsibility) and superior color display performance with high contrast in changing a display color.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: October 1, 2013
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Patent number: 8236371
    Abstract: A method of manufacturing an electrophoretic display device is provided.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: August 7, 2012
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Patent number: 8164822
    Abstract: A display device having a display surface, comprises: a contact particle-containing layer including a wall portion with an inner surface for defining a space, contact particles electrically charged and provided within the space in a contact state that the contact particles are in contact with the inner surface of the wall portion, the contact particles having a hue, and a scattering medium for scattering light or a colored medium having a different hue from the hue of the contact particles which is provided within the space; and a pair of electrodes that, when applied with an electrical voltage, generate electrical fields to act on the contact particles, wherein the display device is configured so that when the electrical voltage is applied to between the pair of electrodes, the contact particles are moved along the inner surface of the wall portion while maintaining the contact state.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: April 24, 2012
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Takeo Kawase, Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Patent number: 7999997
    Abstract: An electrophoretic display device is provided. The electrophoretic display device comprises a first electrode provided on a surface of a first base member; second electrodes provided on a surface of a second base member so that the second electrodes are placed in a facing relationship with the first electrode; and a plurality of microcapsules provided between the first electrode and the second electrodes, the plurality of microcapsules each having an internal space filled with an electrophoretic dispersion liquid, and the electrophoretic dispersion liquid containing electrophoretic particles. The electrophoretic display device is configured so that spaces are formed between the adjacent microcapsules and between the first electrode and the second electrodes. The electrophoretic display device can exhibit superior display performance and can be driven with a low voltage and reduced electricity consumption. A method of manufacturing an electrophoretic display device and an electronic device are also provided.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: August 16, 2011
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Harunobu Komatsu, Hitoshi Yamamoto, Akira Masumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Patent number: 7957052
    Abstract: A display device comprises a microcapsule-containing layer including a plurality of microcapsules. A variation of the outer diameters of the microcapsules can be defined by an average value and a CV value. Each of the microcapsules is comprised of: a shell having an inner surface; contact particles electrically charged and provided within the shell in an contact state that the contact particles are in contact with the inner surface of the shell; and a scattering body for scattering light; or a colored particles having a different hue from the hue of the contact particles. The display device further comprises a pair of electrodes that when an electrical voltage is applied to between the pair of electrodes, electrical fields to act on the contact particles are generated. The average value of the outer diameters of the microcapsules is in the range of 20 to 60 ?m, and the CV value of the outer diameters of the microcapsules is 20% or less.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: June 7, 2011
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Takeo Kawase, Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita, Hironobu Hashimoto
  • Publication number: 20110032180
    Abstract: A display device is equipped with a laminate portion of a plurality of laminated adsorption particle-containing layers including a first adsorption particle-containing layer having a wall portion defining a space and electrically charged adsorption particles adsorbed to an inner surface of the wall portion, and a second adsorption particle-containing layer including a wall portion defining a space and electrically charged adsorption particles adsorbed to an inner surface of the wall portion and having a hue different from that of the adsorption particles of the first adsorption particle-containing layer: and one or more pairs of electrodes that, when applied with an electrical voltage, generate electric fields to act on the adsorption particles, and characterized in that, upon application of an electrical voltage across the one or more pairs of electrodes, the adsorption particles of each of the absorption particle-containing layers are moved, while being adsorbed to the inner surface of the wall portion, alo
    Type: Application
    Filed: August 4, 2009
    Publication date: February 10, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takeo KAWASE, Harunobu KOMATSU, Hitoshi YAMAMOTO, Akira MATSUMOTO, Mitsuo KUSHINO, Tomoyuki KUWAMOTO, Teruki MATSUSHITA
  • Publication number: 20100259813
    Abstract: A display device having a display surface, comprises: a contact particle-containing layer including a wall portion with an inner surface for defining a space, contact particles electrically charged and provided within the space in a contact state that the contact particles are in contact with the inner surface of the wall portion, the contact particles having a hue, and a scattering medium for scattering light or a colored medium having a different hue from the hue of the contact particles which is provided within the space; and a pair of electrodes that, when applied with an electrical voltage, generate electrical fields to act on the contact particles, wherein the display device is configured so that when the electrical voltage is applied to between the pair of electrodes, the contact particles are moved along the inner surface of the wall portion while maintaining the contact state.
    Type: Application
    Filed: November 13, 2008
    Publication date: October 14, 2010
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Takeo Kawase, Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Patent number: 7764420
    Abstract: A display device capable of easily and reliably obtaining an intermediate tone and reliably maintaining individual colors including the intermediate tone even at stoppage of application of an electrical voltage, a manufacturing method of a display device capable of easily and reliably manufacturing the display device, and an electronic apparatus provided with the display device are provided. The display device has a display surface.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: July 27, 2010
    Assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd.
    Inventors: Takeo Kawase, Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Publication number: 20100097685
    Abstract: A display device comprises a microcapsule-containing layer including a plurality of microcapsules. A variation of the outer diameters of the microcapsules can be defined by an average value and a CV value. Each of the microcapsules is comprised of: a shell having an inner surface; contact particles electrically charged and provided within the shell in an contact state that the contact particles are in contact with the inner surface of the shell; and a scattering body for scattering light; or a colored particles having a different hue from the hue of the contact particles. The display device further comprises a pair of electrodes that when an electrical voltage is applied to between the pair of electrodes, electrical fields to act on the contact particles are generated. The average value of the outer diameters of the microcapsules is in the range of 20 to 60 ?m, and the CV value of the outer diameters of the microcapsules is 20% or less.
    Type: Application
    Filed: October 22, 2009
    Publication date: April 22, 2010
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Takeo Kawase, Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita, Hironobu Hashimoto
  • Publication number: 20090315824
    Abstract: An electrophoretic display sheet comprising a display layer, a first electrode, and second electrodes. The display layer has a plurality of reservoir portions filled with a dispersion liquid containing particles. Each of the plurality of reservoir portions has predetermined positions. When an electric field having a direction is generated by applying a voltage to between the first electrode and the second electrodes, the particles are locally gathered to the predetermined positions of each of the plurality of reservoir portions so as to make rows of the particles along the direction of the electric field in the dispersion liquid. The electrophoretic display sheet is capable of exhibiting both superior responsiveness (responsibility) and superior color display performance with high contrast in changing a display color.
    Type: Application
    Filed: May 12, 2009
    Publication date: December 24, 2009
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Publication number: 20090207477
    Abstract: An electrophoretic display device is provided. The electrophoretic display device comprises a first electrode provided on a surface of a first base member; second electrodes provided on a surface of a second base member so that the second electrodes are placed in a facing relationship with the first electrode; and a plurality of microcapsules provided between the first electrode and the second electrodes, the plurality of microcapsules each having an internal space filled with an electrophoretic dispersion liquid, and the electrophoretic dispersion liquid containing electrophoretic particles. The electrophoretic display device is configured so that spaces are formed between the adjacent microcapsules and between the first electrode and the second electrodes. The electrophoretic display device can exhibit superior display performance and can be driven with a low voltage and reduced electricity consumption. A method of manufacturing an electrophoretic display device and an electronic device are also provided.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 20, 2009
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Publication number: 20090208730
    Abstract: A method of manufacturing an electrophoretic display device is provided.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 20, 2009
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Publication number: 20090128889
    Abstract: A display device capable of easily and reliably obtaining an intermediate tone and reliably maintaining individual colors including the intermediate tone even at stoppage of application of an electrical voltage, a manufacturing method of a display device capable of easily and reliably manufacturing the display device, and an electronic apparatus provided with the display device are provided. The display device has a display surface.
    Type: Application
    Filed: November 17, 2008
    Publication date: May 21, 2009
    Applicants: SEIKO EPSON CORPORATION, NIPPON SHOKUBAI CO., LTD.
    Inventors: Takeo Kawase, Harunobu Komatsu, Hitoshi Yamamoto, Akira Matsumoto, Mitsuo Kushino, Tomoyuki Kuwamoto, Teruki Matsushita
  • Publication number: 20070173614
    Abstract: An object of the present invention is to provide a polyether composition that can suppress reduction in a molecular weight of polyether having a low glass transition temperature and melting point. As a means of achieving this object, a polyether composition of the present invention contains polyether having a glass transition temperature of ?50° C. or lower and a melting point of 55° C. or lower and, at the same time, contains at least one kind selected from the group consisting of compounds represented by the specified three general formulas.
    Type: Application
    Filed: March 8, 2005
    Publication date: July 26, 2007
    Applicants: Nippon Shokubai Co., Ltd., Dai-ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Keiichiro Mizuta, Teruki Matsushita, Kenji Shimizu, Kazuo Takei, Michiyuki Kono, Manabu Kikuta, Nobuo Ochiai
  • Publication number: 20060264601
    Abstract: A method for the production of an alkylene oxide based polymer in which an alkylene oxide based polymer is obtained by allowing a monomer including one or two or more oxirane compound(s), which may have a substituent, as an essential raw material to be polymerized using a polymerization catalyst while agitating in a solvent. In this method for the production, the solvent includes one or two or more compound(s) selected from the group consisting of ketones, ketone derivatives, esters, ethers, nitrile compounds and organic halogen compounds.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 23, 2006
    Applicant: Nippon Shokubai Co., Ltd.
    Inventors: Fumihide Tamura, Kazuo Takei, Teruki Matsushita, Taketo Toba
  • Publication number: 20050245410
    Abstract: The residual amount of a solvent in a water soluble nonionic alkylene oxide resin is decreased in an apparatus including an evaporation vessel and a stirring blade which scrapes-up and coats resin solution onto the inner wall surface of the evaporation vessel. A water soluble nonionic alkylene oxide resin having a crystallization temperature of 10 to 60° C. is extruded to a predetermined thickness in a molten state, the extruded molten resin is brought into contact with a metal surface which is at the crystallization temperature (Tc) or lower, and the thereby solidified resin may be cut into pellets. The resin pellets preferably are of rectangular shape and prescribed dimensions. The resin may be pulverized in a pulverizer by shearing force between a rotary blade and a fixed blade. In the pulverizer, grains smaller than a predetermined size pass through the screen, while larger grains are again pulverized.
    Type: Application
    Filed: February 18, 2005
    Publication date: November 3, 2005
    Inventors: Masaki Tezuka, Hiroshi Tanaka, Takao Yokohashi, Takao Nishihata, Manabu Kikuta, Michiyuki Kono, Tetsuya Higashizaki, Kazuo Takei, Taketo Toba, Toshiaki Kuriyama, Izuho Okada, Fumihide Tamura, Ritsuo Kitada, Shigetaka Takamiya, Jun Iwamura, Takanori Murakami, Hiromoto Katsuyama, Teruki Matsushita
  • Patent number: 6515054
    Abstract: The present invention provides a biodegradable resin composition and its molded product wherein the biodegradable resin composition exhibits excellent biodegradability and excellent mechanical strength, and further, is inexpensive, easy to process by molding, and usable for a wide range of purposes. The biodegradable resin composition comprises a biodegradable resin, a filler, and an anionic surfactant.
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: February 4, 2003
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Teruki Matsushita, Yoshiko Atsumi, Hiroshi Itoh
  • Patent number: 6084059
    Abstract: The present invention provides: a production process for a polyalkylene oxide with fast polymerization reaction rate and good production efficiency; a catalyst for polymerization and a dispersion thereof which are effective for the above production process for a polymer such as polyalkylene oxide; and an organometallic fine particle and a production process therefor, which particle is, for example, useful as the above catalyst for polymerization. In a means therefor, a material such as an aliphatic polyol is reacted upon an organometallic compound in a micelle as the reaction field, thus preparing a hyperfine particle, which is used as a catalyst for polymerization of ionic-polymerizable monomers mainly including a cyclic ether.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: July 4, 2000
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Teruki Matsushita, Hiroya Kobayashi
  • Patent number: 5973104
    Abstract: A film-formable high molecular polyetherpolyester comprising structural unit (1) of formula (1) and functional group (2) of formula (2) and having a number-average molecular weight of 40,000 to 10,000,000, wherein the molar ratio of functional group (2) to R in the polyetherpolyester is in the range of 1.0 to 3.0. This polyetherpolyester can be produced by carrying out a chain extension reaction of a low molecular polyalkylene oxide of 1,000 to 30,000 in number-average molecular weight with a polyvalent acid anhydride at 0.003 MPa or higher in a molar ratio of (acid anhydride group)/(hydroxyl group)=0.8 to 1.0.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: October 26, 1999
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Teruki Matsushita, Hiroshi Itoh, Hiroya Kobayashi, Koji Fukuhara, Yoshinobu Yamamoto