Patents by Inventor Yoshitsugu Morita

Yoshitsugu Morita 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: 8273815
    Abstract: A curable silicone composition comprising at least the following components: (A) an epoxy-containing organopolysiloxane; (B) a curing agent for an epoxy resin; (C) a thermally conductive metal powder; and (D) a thermally conductive nonmetal powder; exhibits low viscosity, excellent handleability and curability and, when cured, forms a cured body of flexibility, low specific gravity, and excellent thermal conductivity. An electronic component sealed or adhesively bonded with use of a cured body obtained by curing the aforementioned composition provides high reliability.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: September 25, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Minoru Isshiki, Tomoko Kato
  • Publication number: 20120237581
    Abstract: The present invention relates to a method of producing a silicone powder-containing oil composition, characterized by removing the water from a water-based emulsion of a silicone powder-containing oil composition while stirring this emulsion under reduced pressure with a stirring apparatus that has at least a stirring means that rotates at low speed along the inner wall of a container and a stirring means that rotates at high speed in the interior of the container.
    Type: Application
    Filed: November 10, 2010
    Publication date: September 20, 2012
    Inventors: Tadashi Takimoto, Yoshitsugu Morita
  • Publication number: 20120232202
    Abstract: An emulsion of a silicone oil that contains cross-linked silicone particles in droplets of a silicone oil which are dispersed in water, wherein the aforementioned silicone oil is an organopolysiloxane having in its molecule at least two alkenyl groups, and wherein the cross-linked silicone particles are formed by a hydrosilation reaction; and a cross-linkable silicone composition comprising (I) a silicone composition obtained by removing water from the aforementioned emulsion, (II) an organopolysiloxane that contains in its molecule at least two silicon-bonded hydrogen atoms; and (III) a hydrosilation catalyst.
    Type: Application
    Filed: September 14, 2010
    Publication date: September 13, 2012
    Inventor: Yoshitsugu Morita
  • Patent number: 8262970
    Abstract: A method of manufacturing a semiconductor device sealed in a cured silicone body by placing an unsealed semiconductor device into a mold and subjecting a curable liquid silicone composition that fills the spaces between the mold and the unsealed semiconductor device to compression molding under a predetermined molding temperature, wherein said curable liquid silicone composition has viscosity of 90 Pa·s or less at room temperature, a time interval from the moment directly after measurement of a torque with a curometer at the molding temperature to the moment when the torque reached 1 kgf·cm is not less than 1 min., while the time interval during which the torque grows from 1 kgf·cm to 5 kgf·cm is not more than 1 min.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: September 11, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Junji Nakanishi, Katsutoshi Mine
  • Patent number: 8263723
    Abstract: A curable organopolysiloxane composition comprising: (A) an novel organopolysiloxane represented by the following average structural formula: R1aSiO(4-a)/2 {wherein R1 represents a substituted or non-substituted monovalent hydrocarbon group, an alkoxy group, a hydroxyl group, or an organopolysiloxane residue of the following general formula: —X—(SiR2O)mSiR23 (wherein R2 are the same or different, substituted or unsubstituted monovalent hydrocarbon groups; X represents oxygen atoms or a bivalent hydrocarbon group; and ‘m’ is an integer equal to or greater than 1); however, at least one R1 in one molecule is the aforementioned organopolysiloxane residue, at least one R1 is a monovalent hydrocarbon group having aliphatic carbon-carbon double bonds, and ‘a’ is a positive number that satisfies the following condition: 0<a<2)}; (B) an organic silicon compound having in one molecule at least two silicon-bonded hydrogen atoms; and (C) a hydrosilylation catalyst; is capable of forming a cured product of high fle
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: September 11, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Michitaka Suto
  • Patent number: 8258502
    Abstract: A composition includes: (I) an alkenyl functional, phenyl-containing polyorganosiloxane, an Si—H functional phenyl-containing polyorganosiloxane, or a combination thereof; (II) a hydrogendiorganosiloxy terminated oligodiphenylsiloxane having specific molecular weight, an alkenyl-functional, diorganosiloxy-terminated oligodiphenylsiloxane having specific molecular weight, or a combination thereof; and (III) a hydrosilylation catalyst. A light emitting device is made by applying the composition onto a light source followed by curing. The composition provides a cured material with mechanical properties suited for use as an encapsulant for a light emitting device.
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: September 4, 2012
    Assignee: Dow Corning Corporation
    Inventors: Makoto Yoshitake, Masashi Murakami, Yoshitsugu Morita, Tomoko Kato, Hiroji Enami, Masayoshi Terada, Brian Harkness, Tammy Cheng, Michelle Cummings, Ann Norris, Malinda Howell
  • Patent number: 8251498
    Abstract: A processing liquid applying apparatus includes a processing liquid transfer roller which transfers a processing liquid to a transfer medium while rotating in a predetermined direction; a processing liquid applying section which applies the processing liquid to a surface of the processing liquid transfer roller; a downstream wall which is positioned on a downstream side in a rotating direction of the processing liquid transfer roller with respect to the processing liquid applying section; and a downstream wall moving mechanism which moves the downstream wall between a downstream wall first position at which the downstream wall is positioned when the processing liquid is transferred to the transfer medium and a downstream wall second position at which the downstream wall is positioned when the surface of the processing liquid transfer roller is washed with the processing liquid.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: August 28, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yoichiro Shimizu, Masahiro Nishizaki, Yoshitsugu Morita, Tomoyuki Kubo
  • Publication number: 20120205580
    Abstract: This invention relates to a silicone oil emulsion that contains cross-linked silicone particles in drops of silicone oil which have an average particle diameter of 0.1 to 500 ?m and are dispersed in water, wherein the silicone oil contains epoxy groups, acryl groups, methacryl groups, silicon-bonded alkoxy groups, or silicon-bonded hydroxyl groups but is free of silicon-bonded hydrogen atoms and alkenyl groups, said cross-linked silicone particles is formed by a hydrosilation reaction. Furthermore, this invention also relates to a silicone oil composition obtained by removing water from said emulsion.
    Type: Application
    Filed: September 14, 2010
    Publication date: August 16, 2012
    Inventors: Yoshitsugu Morita, Kazuo Kobayashi
  • Patent number: 8227528
    Abstract: A curable epoxy resin composition comprising: (I) a curable epoxy resin; (II) an epoxy-resin curing agent; and (III) a silicone rubber powder obtained by curing a condensation-curable silicone rubber composition in a dispersed state in water, the powder having an epoxy equivalent measured by titration equal to or lower than 3,000 and an average particle size in the range of 0.1 to 100 ?m, possesses excellent flowability and which, when cured, forms a cured product that in spite of low modulus of elasticity possesses high strength.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: July 24, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Hiroshi Ueki
  • Patent number: 8226189
    Abstract: A liquid jetting apparatus includes a head having a nozzle which jets a liquid; a drive mechanism which reciprocately moves the head in a vertical direction to move the nozzle in the vertical direction; a nozzle protective member which is arranged in a moving area for the head and which protects the nozzle of the head; a controller which controls the drive mechanism to stop the head at a standby position which faces the nozzle protective member; a liquid container which contains the liquid; and a liquid tube which supplies the liquid to the head, and the liquid container is arranged such that, when the liquid container is filled with the liquid at a maximum capacity thereof, a liquid level of the liquid in the liquid container is same as or lower than a lowermost point of the nozzle in the head stopped at the standby position.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: July 24, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shingo Hattori, Yoshitsugu Morita, Narumi Kawai, Hiroto Sugahara
  • Patent number: 8217388
    Abstract: A curable organopolysiloxane composition comprising at least the following components: (A) a linear diorganopolysiloxane with a mass average molecular weight of at least 3,000, (B) a branched organopolysiloxane, (C) an organopolysiloxane having, on average, at least two silicon-bonded aryl groups and, on average, at least two silicon-bonded hydrogen atoms in one molecule, and (D) a hydrosilylation reaction catalyst; has excellent curability and, when cured, forms a flexible cured product of high refractive index, optical transmissivity, excellent adherence to various substrates, high hardness and slight surface tack.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: July 10, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Tomoko Kato, Yoshitsugu Morita, Shinichi Yamamoto, Toshio Saruyama
  • Patent number: 8217122
    Abstract: A silicone rubber powder obtained by curing a condensation-curable silicone rubber composition in a dispersed state in water, having an epoxy equivalent measured by a titration method equal to or lower than 3,000 and an average particle size in the range of 0.1 to 100 ?m; and a method of manufacturing a silicone rubber powder comprising the steps of dispersing in water a silicone rubber composition comprising at least components (A) through (C) listed below; adding component (D); and curing the mixture: (A) a diorganopolysiloxane capped at both molecular terminals with silanol groups and having in one molecule 30 or less silicon atoms; (B) an organopolysiloxane having in one molecule at least two silicon-bonded hydrogen atoms; (C) an epoxy-containing alkoxysilane; and (D) a condensation-reaction catalyst. The silicone rubber powder has low epoxy equivalent and possesses excellent dispersibility in organic resins, and the method is efficient in manufacturing of the aforementioned powder.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: July 10, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Kazuo Kobayashi, Ken Tanaka
  • Patent number: 8201929
    Abstract: A plurality of ink cartridges are installed to be arranged in a vertical direction. A carriage reciprocates in the vertical direction. An ink-jet head has nozzle rows arranged, in a row in the vertical direction, to be parallel mutually, and the ink cartridge is connected to the nozzle row via a tube. There is provided a vertically long and a stylish liquid jetting apparatus which can be installed vertically even in a narrow area.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: June 19, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hiroto Sugahara, Narumi Kawai, Yoshitsugu Morita, Shingo Hattori
  • Patent number: 8178642
    Abstract: A curable organopolysiloxane composition comprising: (A) a solvent-soluble organopolysiloxane obtained by conducting a hydrosilylation reaction between (i) an organopolysiloxane represented by the following average structural formula: RaSiO(4-a)/2 (wherein R1 represents a substituted or non-substituted monovalent hydrocarbon group, the content of alkenyl groups in all groups represented by R1 is within the range of 0.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: May 15, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Michitaka Suto
  • Patent number: 8153202
    Abstract: A method of manufacturing a layered silicone composite material comprising the steps of: applying a second addition-curable organopolysiloxane composition that contains a second adhesion promoter onto a first silicone layer that is formed by curing a first addition-curable organopolysiloxane composition containing a first adhesion promoter and where the first silicone layer has a hardness of less than JIS A 50; and forming a second silicone layer that has hardness of JIS A 50 or more by curing said second addition-curable organopolysiloxane composition.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: April 10, 2012
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato, Hiroji Enami
  • Patent number: 8119744
    Abstract: A curable silicone composition comprising at least the following components: (A) an organopolysiloxane that contains epoxy groups and, preferably, has a branched molecular structure; (B) a phenolic-type curing agent such as an organosiloxane having in one molecule at least two phenolic hydroxyl groups; and (C) an acidic-anhydride type curing agent such as a methylhexahydrophthalic anhydride, as well as an arbitrary components such as (D) a curing accelerator, (E) a filler, or (F) an organic epoxy compound; is characterized by excellent handleability and reduced oil-bleeding during curing, and, when cured, forms a cured body of excellent flexibility and adhesion.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: February 21, 2012
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato
  • Patent number: 8113635
    Abstract: A piezoelectric actuator has a first ceramic layer covering openings of pressure chambers, a first electrode provided over the plurality of pressure chambers, a second ceramic layer, a second electrode, a third ceramic layer and a third electrode in this order from the side of the pressure chambers. By measuring insulation resistance between a cavity unit and the first electrode in the state where ink is filled into the pressure chambers, a defect in the ceramic layer is detected.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: February 14, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Toru Yamashita, Yoshitsugu Morita, Tomoyuki Kubo
  • Patent number: 8080614
    Abstract: A curable organopolysiloxane composition comprises at least the following components: an organopolysiloxane (A) represented by the following general formula: R13SiO(R12SiO)mSiR13 (where R1 is a monovalent hydrocarbon group, and “m” is an integer from 0 to 100); an organopolysiloxane (B) represented by the following average unit formula: (R2SiO3/2)a(R22SiO2/2)b(R23SiO1/2)c (where R2 is a monovalent hydrocarbon group, and “a”, “b”, and “c” are specific numbers); an organopolysiloxane (C) having in one molecule on average at least two silicon-bonded aryl groups and on average at least two silicon-bonded hydrogen atoms; and a hydrosilylation-reaction catalyst (D); is characterized by good fillability and curability and that, when cured, forms a cured body that possesses a high refractive index, high light transmissivity, and strong adhesion to various substrates.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: December 20, 2011
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Masayoshi Terada, Hiroji Enami, Makoto Yoshitake
  • Patent number: 8063143
    Abstract: A curable organopolysiloxane composition comprising an organopolysiloxane containing alkenyl groups and phenyl groups, an organohydrogenpolysiloxane, a copolymer of a vinyl monomer and a vinyl monomer with hydrosilyl groups, and a platinum catalyst; a curing process that consists of two or more stages of thermal curing; an optical semiconductor device that has a light-transmitting portion made from a cured body of the aforementioned composition; and an adhesion promoter that consists of a copolymer of a vinyl monomer and a vinyl monomer with hydrosilyl groups.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: November 22, 2011
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato, Hiroshi Ueki
  • Patent number: 8044162
    Abstract: An adhesion-promoting agent represented by the following average formula: R1aSiO(4-a/2 (where R1 is a group selected from an optionally substituted alkyl group with 1 to 10 carbon atoms, an alkenyl group with 2 to 20 carbon atoms, an aryl group with 6 to 20 carbon atoms, an alkoxy group with 1 to 10 carbon atoms, or an epoxy-containing organic group; however, in one molecule, the content of the alkenyl groups should constitute at least 5 mole % of all groups designated by R1; the content of the aryl groups should constitute at least 5 mole % of all groups designated by R1; the content of the alkoxy groups should constitute at least 5 mole % of all groups designated by R1; the content of the epoxy-containing organic groups should constitute at least 5 mole % of all groups designated by R1; and “a” is a number that satisfies the following condition: 1.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: October 25, 2011
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato, Hiroshi Ueki, Osamu Tanaka