Patents by Inventor Yoshifumi Harada

Yoshifumi Harada 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: 10294346
    Abstract: An organic modified silicone resin composition includes: (A) an addition reaction product having two addition reactive carbon-carbon double bonds in one molecule, being a product of an addition reaction of (a) a compound shown by the general formula (1) having SiH groups and (b) a polycyclic hydrocarbon having addition reactive carbon-carbon double bonds; (B) a siloxane having an SiH group and an organic group substituted with an alkoxysilyl group and/or a siloxane having an SiH group and an organic group substituted with an epoxy group; (C) a compound having three or more SiH groups in one molecule; (D) a catalyst; and (E) fumed inorganic oxide. The formulation amount of the component (E) is 1 to 10 parts by mass relative to 100 parts by mass of the total amount of the components (A), (B), and (C); and having a viscosity of 10 to 100 Pa·s at 25° C.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 21, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Eiichi Tabei, Yoshifumi Harada
  • Publication number: 20160326340
    Abstract: An organic modified silicone resin composition includes: (A) an addition reaction product having two addition reactive carbon-carbon double bonds in one molecule, being a product of an addition reaction of (a) a compound shown by the general formula (1) having SiH groups and (b) a polycyclic hydrocarbon having addition reactive carbon-carbon double bonds; (B) a siloxane having an SiH group and an organic group substituted with an alkoxysilyl group and/or a siloxane having an SiH group and an organic group substituted with an epoxy group; (C) a compound having three or more SiH groups in one molecule; (D) a catalyst; and (E) fumed inorganic oxide. The formulation amount of the component (E) is 1 to 10 parts by mass relative to 100 parts by mass of the total amount of the components (A), (B), and (C); and having a viscosity of 10 to 100 Pa·s at 25° C.
    Type: Application
    Filed: November 25, 2014
    Publication date: November 10, 2016
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Eiichi Tabei, Yoshifumi Harada
  • Publication number: 20130299859
    Abstract: The present invention provides a substrate for an optical semiconductor apparatus for mounting optical semiconductor devices, the substrate includes first leads to be electrically connected to first electrodes of the optical semiconductor devices and second leads to be electrically connected to second electrodes of the optical semiconductor devices, wherein the first leads and the second leads are arranged each in parallel, a molded body of a thermosetting resin composition is molded in a penetrating gap between the first leads and the second leads, a reflector of the thermosetting resin composition is molded at a periphery of respective regions on which the optical semiconductor devices are to be mounted, and the resin molded body and the reflector are integrally molded with the first leads and the second leads by injection molding.
    Type: Application
    Filed: April 24, 2013
    Publication date: November 14, 2013
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Satoshi ONAI, Mitsuhiro IWATA, Yoshifumi HARADA, Shinji KIMURA
  • Publication number: 20130299852
    Abstract: The present invention provides a substrate for an optical semiconductor apparatus for mounting optical semiconductor devices, the substrate comprising first leads to be electrically connected to first electrodes of the optical semiconductor devices and second leads to be electrically connected to second electrodes of the optical semiconductor devices, wherein the first leads and the second leads are arranged each in parallel, a molded body of a thermosetting resin composition is molded by injection molding in a penetrating gap between the first leads and the second leads such that the substrate is formed in a plate shape, and an exposed front surface and an exposed back surface of the first leads, the second leads and the resin molded body each tie in a same plane. The substrate exhibits excellent heat dissipation properties and enables manufacture of a thin optical semiconductor apparatus with a low cost.
    Type: Application
    Filed: April 26, 2013
    Publication date: November 14, 2013
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Satoshi ONAI, Mitsuhiro IWATA, Yoshifumi HARADA, Shinji KIMURA
  • Patent number: 7664297
    Abstract: A method enabling a destroyed part of a joint or joint cartilage to be extracted accurately and at a high speed with a good repeatability and enabling quantitative and simple 3D analysis of the joint and the destroyed part, that is, a method of 3D image processing comprising filling in a medullary cavity region, comprised of a hollow region inside a joint, of a digitalized image of a cross-section of the examined joint using the Expansion and Shrinkage method, performing 3D labeling by a 3D image obtained by stacking digitalized images of cross-sections of the examined joint generated at a step of extracting a contour of the cross-sectional image of the joint or digitalized images of cross-sections of the examined joint not pre-processed, and defining the joint image to be evaluated.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: February 16, 2010
    Assignee: Teijin Limited
    Inventors: Yoshifumi Harada, Yoshiaki Azuma, Norihiro Yamada, Tsutomu Maeda
  • Publication number: 20090020213
    Abstract: A silicone rubber composition for sealing a stitched air bag, wherein the composition exhibits excellent adhesion to cured silicone rubber. A silicone rubber composition for sealing a stitched air bag, in which the composition is used as a sealing material at those sections of a silicone rubber-treated base fabric that are superimposed with the treated surfaces facing each other and then stitched together to form a bag shape during formation of the air bag, and comprises: (A) an organopolysiloxane containing at least two alkenyl groups bonded to silicon atoms within each molecule, (B) a straight-chain organohydrogenpolysiloxane containing SiH groups only at the molecular chain terminals, (C) an organohydrogenpolysiloxane containing at least three SiH groups within each molecule, (D) a finely powdered silica, and (E) a platinum group metal-based catalyst, wherein the total quantity of all SiH groups within the components (B) and (C) is within a range from 0.
    Type: Application
    Filed: September 12, 2008
    Publication date: January 22, 2009
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Mitsuhiro IWATA, Yoshifumi Harada
  • Publication number: 20070232750
    Abstract: An adhesive comprising (A) an organopolysiloxane containing, on average, at least two silicon-bonded alkenyl groups in a molecule, (B) an organohydrogenpolysiloxane containing, on average, at least two SiH groups in a molecule, (C) a calcium carbonate powder surface treated with a paraffinic compound and having a specific surface area of up to 6 m2/g, and (D) a platinum group metal catalyst is fully adherent to silicone rubber and shelf stable.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 4, 2007
    Inventors: Mitsuhiro Iwata, Yoshifumi Harada
  • Publication number: 20070100065
    Abstract: A silicone rubber composition for sealing a stitched air bag, wherein the composition exhibits excellent adhesion to cured silicone rubber. A silicone rubber composition for sealing a stitched air bag, in which the composition is used as a sealing material at those sections of a silicone rubber-treated base fabric that are superimposed with the treated surfaces facing each other and then stitched together to form a bag shape during formation of the air bag, and comprises: (A) an organopolysiloxane containing at least two alkenyl groups bonded to silicon atoms within each molecule, (B) a straight-chain organohydrogenpolysiloxane containing SiH groups only at the molecular chain terminals, (C) an organohydrogenpolysiloxane containing at least three SiH groups within each molecule, (D) a finely powdered silica, and (E) a platinum group metal-based catalyst, wherein the total quantity of all SiH groups within the components (B) and (C) is within a range from 0.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 3, 2007
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Mitsuhiro IWATA, Yoshifumi HARADA
  • Publication number: 20060276600
    Abstract: In an addition type silicone adhesive composition comprising (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups, (B) an organohydrogen-polysiloxane having at least two SiH groups, and (C) a hydrosilylation catalyst, the incorporation of (D) a (meth)acryloxyalkyl-modified linear or cyclic organopolysiloxane having a viscosity of 5-10,000 mPa-s at 25° C., and (E) a zirconium compound allows bond strength to develop even by brief heating and minimizes discoloration after a long-term heat test.
    Type: Application
    Filed: June 2, 2006
    Publication date: December 7, 2006
    Inventors: Takashi Aketa, Yoshifumi Harada, Hiroyasu Hara
  • Patent number: 6839457
    Abstract: This invention relates to a bone measurement method for measuring a bone shape, structure and architecture on the basis of the tomographic images of a test bone or joint, in more detail, to a bone measurement method characterized by having a template image extraction step for obtaining a wholly continued template image of a bone inner portion surrounded by a cortical bone from the binary image of a test bone cross section, and separating a cortical bone and a cancellous bone by the product of said template image and said binary image, as a bone measurement method which enables the automatic, high-speed and repeatable separation of a cortical bone and a cancellous bone on the basis of the binary image of a test bone or joint cross section and by which a separated three-dimensional image of the cortical bone portion and the cancellous bone portion is obtained as the bases for a non-invasive analyses of three-dimensional bone structure, bone strength, and the like.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: January 4, 2005
    Assignee: Teijin Limited
    Inventors: Yoshiaki Azuma, Yoshifumi Harada, Norihiro Yamada, Tsutomu Maeda, Tomohiro Ohta
  • Publication number: 20040136583
    Abstract: A method enabling a destroyed part of a joint or joint cartilage to be extracted accurately and at a high speed with a good repeatability and enabling quantitative and simple 3D analysis of the joint and the destroyed part, that is, a method of 3D image processing comprising filling in a medullary cavity region, comprised of a hollow region inside a joint, of a digitalized image of a cross-section of the examined joint using the Expansion and Shrinkage method, performing 3D labeling by a 3D image obtained by stacking digitalized images of cross-sections of the examined joint generated at a step of extracting a contour of the cross-sectional image of the joint or digitalized images of cross-sections of the examined joint not pre-processed, and defining the joint image to be evaluated.
    Type: Application
    Filed: October 24, 2003
    Publication date: July 15, 2004
    Inventors: Yoshifumi Harada, Yoshiaki Azuma, Norihiro Yamada, Tsutomu Maeda
  • Patent number: 6425600
    Abstract: Silicone rubber compositions comprising (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups, (B) finely divided silica, (C) an adhesive component, (D) a silicone-soluble organopolysiloxane resin component bearing at least one alkenyl group, (E) an organohydrogenpolysiloxane containing SiH groups in a specific mole ratio to the alkenyl groups in components (A) and (D) combined, and (F) a platinum group catalyst, exhibit excellent adhesion to synthetic woven fabrics for air bags. When coated onto woven fabrics and cured, the compositions provide air bag base fabrics of outstanding flexibility, sealability and deployability which remain stable over time.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: July 30, 2002
    Assignee: Shin-Etsu Corporation
    Inventors: Hironao Fujiki, Yoshifumi Harada, Takeshi Miyao, Yoshifumi Inoue
  • Patent number: 6387520
    Abstract: A solvent-free liquid silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane having at least two hydrogen atoms each attached to a silicon atom, (C) wet silica having a BET specific surface area of 150-250 m2/g, a mean particle size of 0.01-20 &mgr;m, and a sodium ion content of up to 0.35 wt % Na2O, (D) an adhesive agent, and (E) a platinum group catalyst is useful for coating onto air bag base fabric to form a thin film having good infiltration, strong adhesion and minimized surface tack.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: May 14, 2002
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hironao Fujiki, Yoshifumi Inoue, Yoshifumi Harada, Takeshi Miyao, Masayuki Ikeno
  • Patent number: 5969887
    Abstract: A structure for holding lenses in which they are inserted into a lens frame in an axial direction thereof for their mounting thereon, and in which a lens that is first inserted into the lens frame is fixed thereto by caulking a part of the lens frame against the lens, so that an enlargement in a radial direction of the lens frame is prevented. The lens frame has three through-holes in a circumferential direction with an equal space therebetween in which the through-holes form around an intermediate position thereof relative to the axial direction, a stepped surface on a first end opposite a second end from which the lens is inserted, and a partial caulking projection which forms inside each hole as a part of the lens frame.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: October 19, 1999
    Assignee: Minolta Co., Ltd.
    Inventors: Hitoshi Hagimori, Yoshifumi Harada, Hiroshi Sugiyama, Haruki Yoshida, Hideki Nagata
  • Patent number: 5744508
    Abstract: A foamable silicone rubber composition is provided that includes:(A) a diorganopolysiloxane;(B-1) an organohydrogenpolysiloxane represented by the general formula (2): ##STR1## (B-2) an organohydogenpolysiloxane represented by the general formula (3): ##STR2## (C) a hydroxyl-group source; and (D) a platinum group metal compounds;the component (B-1) and the component (B-2) being in a weight ratio of from 20/80 to 90/10.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: April 28, 1998
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Atsushi Yaginuma, Yoshifumi Harada
  • Patent number: 5699200
    Abstract: A lens assembly is disclosed in which the amount of movement of at least one lens unit is achieved by combining the amounts of relative movement of at least two barrels. A linear advancement barrel advances straight ahead relative to a fixed barrel. A first lens unit moves together with the linear advancement barrel. A second lens unit is located in front of the first lens unit along the optical axis. A third lens unit is located behind the first lens unit along the optical axis. A cam ring moves together with the linear advancement barrel along the optical axis and rotates around the optical axis. The cam ring has first and second cams that move the second lens unit and the third lens unit by amounts of movement relative to the linear advancement barrel.
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: December 16, 1997
    Assignee: Minolta Co., Ltd.
    Inventors: Tetsuya Uno, Yoshifumi Harada, Daigo Yoshioka, Hiroaki Hasegawa, Yasuo Hawai
  • Patent number: 5561184
    Abstract: A room temperature curable silicone composition, comprising (A) 100 parts by weight of an organopolysiloxane each of both ends of which has one hydroxyl group, (B) 0.2 to 40 parts by weight of at least one compound selected from the group consisting of hydrolyzable silanes having 2 to 4 hydrolyzable groups and their partial hydrolysis-condensation products, (C) 1 to 100 parts by weight of a modified diorganopolysiloxane of which both ends have at least one group selected from the group consisting of a hydrogen atom, a substituted monovalent hydrocarbon group and alkoxy group having 1 to 10 carbon atoms, an unsubstituted hydrocarbon group and alkoxy group having 1 to 10 carbon atoms, and a hydroxyl group and that has a silicon-bonded modifying group made up of a substituted or unsubstituted monovalent organic group with 6 or more carbon atoms, and (D) a filler and a cured product thereof. A cured product good in peeling properties can be obtained.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: October 1, 1996
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kei Miyoshi, Yoshifumi Harada
  • Patent number: 5519067
    Abstract: This composition comprises (A) an organopolysiloxane having at least two SiOH groups in its molecule, (B) an organopolysiloxane having at least two SiH groups in its molecule, (C) a platinum family metal catalyst, and (D) a hydroperoxide. By using the hydroperoxide as a catalyst-retarding agent in cure reaction of a dehydrogenation system in which hydrogen is a foaming agent, this composition has a long pot life and can be cured and foamed to produce a foamed cured product in the form of a sponge having uniform cells.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: May 21, 1996
    Assignee: Shin-etsu Chemical Co., Ltd.
    Inventors: Atsushi Yaginuma, Yoshifumi Harada, Yoshio Inoue
  • Patent number: 5130401
    Abstract: The room temperature curable organopolysiloxane composition comprises a silane compound having a group represented by the following formula: ##STR1## wherein R is a hydrogen atom or a monovalent hydrocarbon group, as an adhesion assistant. The composition has the merit of good adhesive properties, particularly for chlorinated polyethylene.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: July 14, 1992
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masatoshi Arai, Kouji Yokoo, Yoshifumi Harada