Patents Assigned to Sumitomo Bakelite Company, Ltd.
  • Patent number: 8114009
    Abstract: A coronary artery bypass grafting device includes a plurality of attachment members each having: a flexible tube (102); a suction cup portion (101) provided in a tip end side of the flexible tube (102); a three-way cock (103) provided in the flexible tube (102); and a holding member (104) that holds the flexible tube (102). At least one of the attachment members further includes a duckbill valve (111) provided in the flexible tube (102).
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 14, 2012
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Hirokuni Arai, Akira Kawamata, Hideaki Asai
  • Patent number: 8110444
    Abstract: A prepreg which can meet a demand for thickness reduction is provided. The prepreg has first and second resin layers having different applications, functions, capabilities, or properties, and allows an amount of a resin composition in each of the first and second resin layers to be set appropriately depending on a circuit wiring portion to be embedded into the second resin layer. Further, a method for manufacturing the above prepreg, and a substrate and a semiconductor device having the prepreg are also provided.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: February 7, 2012
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Takeshi Hosomi, Maroshi Yuasa, Kazuya Hamaya, Takayuki Baba
  • Patent number: 8088580
    Abstract: The present invention provides an RNA detection method detecting, from a reaction system containing a target sample, a target RNA chain originated from the target sample, using a surface having on the surface thereof a polymer substance which contains a first unit having a group derived from a phosphate ester composing the hydrophilic portion of a phospholipid and a second unit having a carboxylic acid derivative group composed of an electron-attractive substitutional group bound to a carbonyl group, while being provided with at least one reaction space, the reaction space having an immobilized nucleic acid primer immobilized therein.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: January 3, 2012
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Kenji Kinoshita, Kanehisa Yokoyama, Kentaro Fujimoto, Toru Yakabe, Shin Saito, Kazuhiko Fujiwara
  • Patent number: 8088340
    Abstract: A biochip substrate capable of realizing the high detection accuracy by restricting a nonspecific adsorption or bonding of a substance to be detected, when used for a detection or analysis of protein, nucleic acids and the like. The biochip substrate is for fixing a biologically active substance on a surface of a solid substrate, and characterized in that it has a layer comprising a polymer compound obtained by copolymerizing an ethylenically unsaturated polymerizable monomer having an alkylene glycol residue, an ethylenically unsaturated polymerizable monomer having a functional group for fixing a biologically active substance and an ethylenically unsaturated polymerizable monomer having a cross-linkable functional group, on the surface of the substrate.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: January 3, 2012
    Assignees: Sumitomo Bakelite Company, Ltd., Somalogic, Inc.
    Inventors: Mitsutaka Matsumoto, Sumio Shibahara, Takayuki Matsumoto, Kanehisa Yokoyama, Sohei Funaoka, Daisuke Masuda, Michael Patrick Coleman, Dominic Zichi
  • Patent number: 8088308
    Abstract: A resin composition which is excellent in quick curing and can be used for curing in conventionally used ovens, and a semiconductor device which is excellent in reliability such as solder crack resistance or the like when the resin composition is used as a die attach material for semiconductor. Further preferably, a resin composition which has a sufficient low stress property, good adhesion and excellent bleeding property. A resin composition comprising a filler (A), the compound (B) comprising a structure represented by the formula (I) and a functional group represented by the formula (2) and a thermal radical initiator (C), and substantially not containing a photo polymerization initiator.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: January 3, 2012
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Hikaru Okubo, Nobuki Tanaka, Itaru Watanabe
  • Patent number: 8084131
    Abstract: There is provided a transparent hybrid sheet having superior transparency and thermal resistance and having smaller linear expansion coefficient and optical anisotropy and higher degree of flatness. In a transparent hybrid sheet obtained by curing a hybrid composition including an epoxy resin composition containing alicyclic epoxy compound and a curing agent and curing a glass filler together, the alicyclic epoxy compound contains, as a principal component thereof, a diepoxybicyclohexyl compound represented by Formula (1) below, with amounts of isomers of the diepoxybicyclohexyl compound being 20% or less, of a sum of the diepoxybicyclohexyl compound and the isomers, in terms of a ratio of its peak area determined by a gas chromatography.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: December 27, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventor: Wataru Oka
  • Publication number: 20110308848
    Abstract: Disclosed are a composite body, a method for producing the composite body and a semiconductor device, the composite body comprising a resin layer and a fine wiring and/or via hole being formed in the resin layer, having high adhesion and high reliability, and being capable of high frequencies. Also disclosed are a resin composition and a resin sheet, both of which can provide such a composite body. The composite body comprises a resin layer and an electroconductive layer, wherein a groove having a maximum width of 1 ?m or more and 10 ?m or less is on a surface of the resin layer; the electroconductive layer is inside the groove; and a surface of the resin layer being in contact with the electroconductive layer has an arithmetic average roughness (Ra) of 0.05 ?m or more and 0.
    Type: Application
    Filed: February 8, 2010
    Publication date: December 22, 2011
    Applicant: SUMITOMO BAKELITE COMPANY, LTD.
    Inventors: Yuka Ito, Kenichi Kaneda, Yasuaki Mitsui, Iji Onozuka, Noriyuki Ohigashi, Hideki Hara
  • Patent number: 8080350
    Abstract: Disclosed is a positive photosensitive resin composition containing (A) an alkali-soluble resin, (B) a diazoquinone compound, (d1) an activated silicon compound and (d2) an aluminum complex. Also disclosed is a positive photosensitive resin composition containing (A) an alkali-soluble resin, (B) a diazoquinone compound, (C) a compound having two or more oxetanyl groups in one molecule and (D) a catalyst for accelerating the ring-opening reaction of the oxetanyl groups of the compound (C).
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: December 20, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Toshio Banba, Ayako Mizushima
  • Patent number: 8039305
    Abstract: In a method for bonding semiconductor wafers of the present invention, a bonding layer containing a flux-active curing agent and a thermosetting resin is interposed between a first semiconductor wafer and a second semiconductor wafer, thereby producing a semiconductor wafer stacked body in which the first and second semiconductor wafers are stacked together, and then the semiconductor wafer stacked body is compressed in a thickness direction thereof while heating it so that the first and second semiconductor wafers are fixed together by melting and solidifying solder bumps while curing the thermosetting resin, thereby producing a semiconductor wafer bonded body in which first connector portions and second connector portions are electrically connected together through solidified products obtained by melting and solidifying the solder bumps.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: October 18, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Kenzou Mejima, Satoru Katsurayama, Mitsuo Sugino
  • Publication number: 20110221017
    Abstract: A photosensitive resin composition includes (A) an alkali-soluble resin, (B) an epoxy resin, and (C) a photopolymerization initiator, the epoxy resin (B) being an epoxy resin having a naphthalene skeleton and/or an epoxy resin having a triphenylmethane skeleton. A semiconductor device including a semiconductor wafer, a transparent substrate, and a spacer formed by a photosensitive adhesive film produced using the photosensitive resin composition does not suffer from condensation of dew. A light-receiving device having excellent reliability can also be obtained.
    Type: Application
    Filed: November 5, 2009
    Publication date: September 15, 2011
    Applicant: SUMITOMO BAKELITE COMPANY, LTD.
    Inventors: Toyosei Takahashi, Fumihiro Shiraishi, Toshihiro Sato
  • Patent number: 8008410
    Abstract: There is provided an epoxy resin composition for encapsulating a semiconductor comprising an epoxy resin (A), wherein the epoxy resin (A) including: a crystalline epoxy resin (a1) having a melting point of 50° C. to 150° C., an epoxy resin (a2) represented by formula (1), and at least one epoxy resin (a3) selected from an epoxy resin represented by formula (2) and an epoxy resin represented by a formula (3): in which R1's, which may be the same or different, represent a hydrocarbon group having 1 to 4 carbon atoms; R2's, which may be the same or different, represent a hydrogen atom or a hydrocarbon group having 1 to 4 carbon atoms; m is an integer of 0 to 5; and n is an integer of 0 to 6.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: August 30, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Takahiro Kotani, Yoshinori Nishitani, Daisuke Oka
  • Patent number: 7999354
    Abstract: A resin composition of the present invention is used for forming a filling material which fills at least a through-hole of a semiconductor substrate, the through-hole extending through the semiconductor substrate in a thickness direction thereof and having a conductive portion therein. The resin composition is composed of: a resin having a radical-polymerizable double bond, a thermosetting resin and a resin which differs from the resin having the radical-polymerizable double bond and has an alkali-soluble group and a double bond; or a cyclic olefin resin. A filling material of the present invention is formed of a cured product of the above resin composition. An insulating layer of the present invention is formed of a cured product of the above resin composition. The insulating layer includes: a layer-shaped insulating portion provided on a surface opposite to a functional surface of the semiconductor substrate; and a filling portion integrally formed with the insulating portion and filling the through-hole.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: August 16, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Toyosei Takahashi, Rie Takayama, Hirohisa Dejima, Junya Kusunoki
  • Patent number: 7985874
    Abstract: A support comprising functional groups supported therein that specifically react with an aldehyde group of a sugar chain, and a polymer particle and a glycochip to which the support is applied, and uses thereof.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: July 26, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Shinichiro Nishimura, Hideyuki Shimaoka
  • Patent number: 7977412
    Abstract: An epoxy resin composition for encapsulating semiconductors which comprises as essential components (A) an epoxy resin, (B) a phenol resin, (C) a curing accelerator, (D) an inorganic filler and (E) a component comprising (e1) a butadiene-acrylonitrile copolymer having carboxyl group and/or (e2) a reaction product of (e1) a butadiene-acrylonitrile copolymer having carboxyl group with an epoxy resin, wherein the content of component (e1) in the entire epoxy resin composition is 0.01 to 1% by weight. The composition exhibits excellent releasing property in molding, continuous molding property and resistance to solder reflow.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: July 12, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventor: Yasuhiro Mizuno
  • Patent number: 7976521
    Abstract: The present invention provides a body fluid suction reservoir including a flexible bag, two plates for supporting the bag, and a spring put between the two plates. The body fluid suction reservoir further includes a lock having a hook and a release part and consisting of a member different from the two plates, by which lock the spring is held in a state compressed between the two plates, and the held state is releasable. The lock has flexibility and is held by one of the plates so as to be deformable from a first state in which the hook is engaged with the other plate to a second state in which the hook is not engaged, and the lock is urged to take the first state.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: July 12, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Kei Hara, Yukihiko Sakaguchi
  • Patent number: 7964687
    Abstract: An oxylamino group-containing compound represented by the following formula: R1—B-A-B—R2, wherein R1 represents a polymerizable group, R2 represents an oxylamino group-containing group or an oxylamino derivative-containing group, B represents an ester linkage or an amide linkage, and A represents an optionally substituted alkylene group having 2 to 12 carbon atoms.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: June 21, 2011
    Assignees: Sumitomo Bakelite Company, Ltd., National University Corporation Hokkaido University
    Inventors: Shinichiro Nishimura, Hideyuki Shimaoka
  • Patent number: 7964410
    Abstract: A method for preparing an analysis sample which involves the sugar chain capture step comprising a reaction of capturing a sugar chain and/or a sugar derivative from a biological sample by using a sugar chain capture agent and the excision step comprising excising a compound containing a moiety capturing the sugar chain and/or the sugar derivative from the sugar chain capture agent after the completion of the sugar chain capture reaction and releasing the compound.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: June 21, 2011
    Assignees: Sumitomo Bakelite Company, Ltd., National University Corporation Hokkaido University
    Inventors: Hideyuki Shimaoka, Hiromitsu Kuramoto, Shinichiro Nishimura, Yasuro Shinohara, Yoshiaki Miura, Jun-ichi Furukawa
  • Patent number: 7956136
    Abstract: The object of the invention is to provide a resin composition for semiconductor encapsulation realizing excellent soldering resistance and flame resistance and having excellent flowability and curing properties, and a semiconductor device. The invention has solved the object by a resin composition for semiconductor encapsulation comprising (A) an epoxy resin containing (a) an epoxy resin represented by formula (1), (B) a compound having two or more phenolic hydroxyl groups in its molecule, (C) an inorganic filler, and (D) a curing accelerator: wherein each of R1 and R2 represents a hydrogen atom or a hydrocarbon group with 4 or less carbon atoms and may be the same or different; and ‘n’ represents a mean value that is a positive number of from 0 to 5; in the formula (1).
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: June 7, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventor: Hirofumi Kuroda
  • Patent number: 7947343
    Abstract: An adhesive film used for bonding a semiconductor component or a liquid crystal display component with a substrate, the adhesive film being composed of a resin composition containing a curable resin and a filler, and the adhesive film showing a water vapor transmission rate of 30 [g/m2·24 h] or above, wherein the curable resin preferably contains photo-curable resin, thermosetting resin, or curable resin cured both by light and heat. The filler preferably contains a porous filler, the filler preferably has a mean void diameter of 0.1 to 5 nm, and the adhesive film preferably shows a water vapor transmission rate at 25° C. of 4 [g/m2·24 h] or above.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: May 24, 2011
    Assignee: Sumitomo Bakelite Company, Ltd
    Inventor: Toyosei Takahashi
  • Patent number: D640790
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: June 28, 2011
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventor: Miyuki Nishimura