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).

  • Publication number: 20100234520
    Abstract: A curable epoxy resin composition comprising: (I) an epoxy resin; (II) a curing agent for the epoxy-resin; (III) cross linked silicone particles characterized by having secondary amino groups represented by the following general formula: R1NH—R2— (where R designates an aryl group or an aralkyl group, and R designates a bivalent organic group) and bonded to silicon atoms that form the cross-linked silicone particles {the aforementioned cross-linked silicon particles being used in the amount of 0.1 to 100 parts by weight per 100 parts by weight of the sum of components (I) and (II)}, has excellent flowability in molding and can produce a cured body having low modulus of elasticity.
    Type: Application
    Filed: April 25, 2008
    Publication date: September 16, 2010
    Inventors: Yoshitsugu Morita, Hiroshi Ueki
  • Publication number: 20100220160
    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: Application
    Filed: February 25, 2010
    Publication date: September 2, 2010
    Inventors: YOICHIRO SHIMIZU, Masahiro Nishizaki, Yoshitsugu Morita, Tomoyuki Kubo
  • Publication number: 20100213623
    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 silicone composition which is fed into the space between the mold and the unsealed semiconductor device to compression molding, the method being characterized by the fact that the aforementioned curable silicone composition comprises at least the following components: (A) an epoxy-containing silicone and (B) a curing agent for an epoxy resin; can reduce warping of the semiconductor chips and circuit board, and improve surface resistance to scratching.
    Type: Application
    Filed: February 14, 2007
    Publication date: August 26, 2010
    Inventors: Minoru Isshiki, Tomoko Kato, Yoshitsugu Morita, Hiroshi Ueki
  • Publication number: 20100216913
    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: Application
    Filed: August 19, 2008
    Publication date: August 26, 2010
    Inventors: Yoshitsugu Morita, Hiroshi Ueki
  • Publication number: 20100213404
    Abstract: A curable silicone composition comprising: (A) a liquid organopolysiloxane having in one molecule at least two epoxy groups; (B) a compound containing groups react to the epoxy groups; (C) a thermally conductive filler; and (D) a silicone powder, preferably, an epoxy-containing silicone powder; possesses excellent handleability and workability in combination with low viscosity and that, when cured, forms a cured body of excellent elasticity, adhesiveness, and thermal conductivity.
    Type: Application
    Filed: October 6, 2008
    Publication date: August 26, 2010
    Inventors: Yoshitsugu Morita, Hiroshi Ueki
  • Publication number: 20100216952
    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: Application
    Filed: August 19, 2008
    Publication date: August 26, 2010
    Inventors: Yoshitsugu Morita, Kazuo Kobayashi, Ken Tanaka
  • Patent number: 7781522
    Abstract: A curable silicone composition includes: (A) an organopolysiloxane represented by the siloxane unit formula (1) given below and having at least two univalent organic groups that contain epoxy groups and are free of aromatic rings: [R13SiO1/2]a[R22SiO2/2]b[R3SiO3/2]c (where R1, R2, and R3 are univalent organic groups, at least two of which are univalent organic groups which contain epoxy groups and are free of aromatic rings; more than 20 mole % of R3 are aryl groups; a+b+c equals 1; on average, “a” satisfies the following condition: 0?a?0.8; on average, “b” satisfies the following condition: 0.2?b?0.8; and, on average, “c” satisfies the following condition: 0.2<c<1.0); (B) a linear-chain organopolysiloxane having at least two univalent organic groups that contain phenolic hydroxyl groups; and (C) a curing accelerator.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: August 24, 2010
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Minoru Isshiki, Hiroshi Ueki, Atsushi Togashi
  • Publication number: 20100209707
    Abstract: Cross-linked silicone particles, which have secondary amino groups represented by general formula: R1NH—R2— (where R1 designates an aryl group or an aralkyl group, and R2 designates a bivalent organic group) bonded to silicon atoms that form the cross-linked silicone particles, demonstrate excellent dispersibility in organic resin and, when added to a curable organic resin composition, improve flowability of the aforementioned composition during molding and produce curable bodies with low modules of elasticity.
    Type: Application
    Filed: April 25, 2008
    Publication date: August 19, 2010
    Inventors: Yoshitsugu Morita, Kazuo Kobayashi, Hiroshi Ueki
  • Publication number: 20100165057
    Abstract: A vibration plate, an insulating layer and a plurality of piezoelectric layers, connected to each other, are connected to an upper face of a flow passage unit. Between the plurality of piezoelectric layers, there is provided an intermediate electrode having; opposing portions opposed to center portions of pressure chambers; and connecting portions for connecting the opposing portions at a region opposed to connection portion with the flow passage unit. Between the insulating layer and one of the piezoelectric layers, there is provided a lower electrode extending across the entire region not opposed to the intermediate electrode, including regions opposed to regions of the pressure chambers located outside the center portions thereof. At an upper face of the other piezoelectric layer, upper electrodes are located to be opposed to the pressure chambers. A shielding electrode is arranged between the vibration plate and the insulating layer across the entire regions thereof.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 1, 2010
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yoshitsugu MORITA
  • Publication number: 20100140537
    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: Application
    Filed: December 14, 2007
    Publication date: June 10, 2010
    Inventors: Yoshitsugu Morita, Tomoko Kato
  • Publication number: 20100144928
    Abstract: A curable epoxy resin composition comprising at least the following components: (I) an epoxy resin; (II) a curing agent for an epoxy resin; (III) a diorganosiloxane having on both molecular terminals siloxane residual radicals represented by the following average unit formula: (XR12SiO1/2)a(SiO4/2)b (where R1 is a monovalent hydrocarbon group that is free of unsaturated aliphatic bond, and “X” is a single bond, a hydrogen atom, a group designated by R1, an epoxy-containing monovalent organic group, or an alkoxysilylalkyl group; however, at least one group designated by “X” in one molecule is a single bond, at least two groups designated by “X” are epoxy-containing alkyl groups; “a” is a positive number; “b” is a positive number; and “a/b” is a number ranging from 0.2 to 4); and (IV) an inorganic filler; is capable of producing a cured body of high strength in spite of having a low modulus of elasticity (low stress).
    Type: Application
    Filed: December 3, 2007
    Publication date: June 10, 2010
    Inventors: Yoshitsugu Morita, Hiroshi Ueki
  • Publication number: 20100113730
    Abstract: A novel diorganopolysiloxane represented by the following general formula: X—R2—(R12SiO)nR12Si—R2—X, {where R1 designates a monovalent hydrocarbon group that has six or fewer carbon atoms and is free of aliphatic unsaturated bonds; R2 designates an alkylene group; and X is an organopolysiloxane residue represented by the following average unit formula: (YR12SiO1/2)a(SiO4/2)b (where R1 is the same as defined above; Y is a single bond, a hydrogen atom, a group represented by aforementioned R1, an epoxy-containing alkyl group, an alkoxysilylalkyl group, or an alkyl group with seven or more carbon atoms; however, in one molecule, at least one Y is a single bond, and at least one Y is an alkyl group with seven or more carbon atoms; “a” is a positive number; “b” is a positive number; and “a/b” is a number in the range of 0.2 to 4.
    Type: Application
    Filed: September 5, 2007
    Publication date: May 6, 2010
    Inventor: Yoshitsugu Morita
  • Publication number: 20100113667
    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: Application
    Filed: August 23, 2007
    Publication date: May 6, 2010
    Inventors: Yoshitsugu Morita, Minoru Isshiki, Tomoko Kato
  • Publication number: 20100110120
    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: Application
    Filed: October 29, 2009
    Publication date: May 6, 2010
    Inventors: Shingo Hattori, Yoshitsugu Morita, Narumi Kawai, Hiroto Sugahara
  • Publication number: 20100063185
    Abstract: A curable silicone composition comprising at least the following components: (A) an epoxy-containing organopolysiloxane; (B) a curing agent for epoxy resin; and (C) an epoxy compound represented by the specific general formula; is characterized by excellent handleability and reduced oil-bleeding, and, when cured, forms a cured body of excellent flexibility and adhesion.
    Type: Application
    Filed: December 14, 2007
    Publication date: March 11, 2010
    Inventors: Yoshitsugu Morita, Tomoko Kato
  • Publication number: 20100022704
    Abstract: A curable silicone composition comprising at least the following components: (A) a diorganopolysiloxane represented by the following general formula: X—R2—(R12SiO)mR12Si—R2—X {where R1 designates a monovalent hydrocarbon group that has six or fewer carbon atoms and is free of aliphatic unsaturated bonds; R2 designates an alkylene group; and X is an organopolysiloxane residue represented by the following average unit formula: (YR12SiO1/2)a(SiO4/2)b (where R1 is the same as defined above; Y is a single bond, a hydrogen atom, a group represented by aforementioned R1, an epoxy-containing alkyl group, an alkoxysilylalkyl group, or an alkyl group with seven or more carbon atoms; however, in one molecule, at least one Y is a single bond, and at least one Y is an alkyl group with seven or more carbon atoms; “a” is a positive number; “b” is a positive number; and “a/b” is a number in the range of 0.2 to 4.
    Type: Application
    Filed: September 5, 2007
    Publication date: January 28, 2010
    Inventors: Yoshitsugu Morita, Tomoko Kato, Hiroshi Ueki
  • Patent number: 7651887
    Abstract: A method of manufacturing an optical semiconductor device (16) sealed in a transparent or semitransparent cured silicone body (50) by placing an unsealed optical semiconductor device (16) into a mold (23, 34) and subjecting a transparent or semitransparent curable silicone composition (50) that fills the spaces between the mold and the unsealed device (70) to compression molding; provides the sealed optical semiconductor device that is free of voids, allows control of the coating layer thickness, protects the bonding wires from breakage and accidental contact, reduces concentration of stress on an optical semiconductor element, has long service life with reducing discoloration and disconnection of the sealing resin from the optical semiconductor element (16), and has excellent reliability.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: January 26, 2010
    Assignee: Dow Corning Toray Company, Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato
  • Patent number: 7648766
    Abstract: A composite silicone rubber powder comprising: (A) a silicone rubber powder having an average particle size within the range of 0.1 to 500 ?m and hardness of at least 15 by type A durometer according to JIS K 6253, wherein the surface of said silicone rubber powder is coated with (B) a microfine inorganic powder having the BET specific surface area of at least 10 m2/g, said composite silicone rubber powder being characterized by the fact that the surface thereof is treated with (C) an organic silicon compound having a silicon-bonded hydrolyzable group, or with a product of partial hydrolysis of said compound, is characterized by excellent dispersibility in coating and cosmetic materials and having the possibility of improving matting properties of coating materials, and feel of use of cosmetic materials.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: January 19, 2010
    Assignee: Dow Corning Toray Company, Ltd.
    Inventor: Yoshitsugu Morita
  • Publication number: 20090294796
    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: Application
    Filed: May 10, 2007
    Publication date: December 3, 2009
    Inventors: Yoshitsugu Morita, Tomoko Kato, Hiroshi Ueki, Osamu Tanaka
  • Publication number: 20090267986
    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: Application
    Filed: April 16, 2009
    Publication date: October 29, 2009
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroto Sugahara, Narumi Kawai, Yoshitsugu Morita, Shingo Hattori