Patents by Inventor Hiroaki Nakagawa

Hiroaki Nakagawa 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: 9209155
    Abstract: The present invention aims to provide a method for producing a semiconductor device, the method being capable of achieving high reliability by suppressing voids. The present invention also aims to provide a flip-chip mounting adhesive for use in the method for producing a semiconductor device. The present invention relates to a method for producing a semiconductor device, including: step 1 of positioning a semiconductor chip on a substrate via an adhesive, the semiconductor chip including bump electrodes each having an end made of solder; step 2 of heating the semiconductor chip at a temperature of the melting point of the solder or higher to solder and bond the bump electrodes of the semiconductor chip to an electrode portion of the substrate, and concurrently to temporarily attach the adhesive; and step 3 of removing voids by heating the adhesive under a pressurized atmosphere, wherein the adhesive has an activation energy ?E of 100 kJ/mol or less, a reaction rate of 20% or less at 2 seconds at 260° C.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: December 8, 2015
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Sayaka Wakioka, Hiroaki Nakagawa, Yoshio Nishimura, Shujiro Sadanaga
  • Patent number: 9139607
    Abstract: The present invention provides substance which can specifically interact with sugar chains. Further, the present invention provides a method for separating, concentrating, or purifying sugar chains or a sugar chain-containing substance in a sample, comprising the steps of: a) contacting a sugar chain-trapping carrier comprising a substance which can specifically interact with sugar chains with the sample in a fluid phase under conditions that the sugar chain-trapping carrier can react with the sugar chains or sugar chain-containing substance; b) isolating a composite of the sugar chain-trapping carrier and the sugar chains or sugar chain-containing substance from the fluid phase; and c) exposing the composite to the conditions that the interaction between the sugar chain-trapping carrier and the sugar chains or sugar chain-containing substance is at least partially eliminated.
    Type: Grant
    Filed: December 25, 2003
    Date of Patent: September 22, 2015
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Shinichiro Nishimura, Kenichi Niikura, Hiroaki Nakagawa, Minenobu Okayama
  • Publication number: 20150175652
    Abstract: The present invention provides substance which can specifically interact with sugar chains. Further, the present invention provides a method for separating, concentrating, or purifying sugar chains or a sugar chain-containing substance in a sample, comprising the steps of: a) contacting a sugar chain-trapping carrier comprising a substance which can specifically interact with sugar chains with the sample in a fluid phase under conditions that the sugar chain-trapping carrier can react with the sugar chains or sugar chain-containing substance; b) isolating a composite of the sugar chain-trapping carrier and the sugar chains or sugar chain-containing substance from the fluid phase; and c) exposing the composite to the conditions that the interaction between the sugar chain-trapping carrier and the sugar chains or sugar chain-containing substance is at least partially eliminated.
    Type: Application
    Filed: December 23, 2014
    Publication date: June 25, 2015
    Inventors: Shinichiro Nishimura, Kenichi Niikura, Hiroaki Nakagawa, Minenobu Okayama
  • Patent number: 9040251
    Abstract: This invention provides a biomolecule modifying substrate comprising biomolecules selectively fixed to given regions thereon. The biomolecule modifying substrate comprises: a substrate at least comprising a first surface and a second surface; a first linker molecule comprising a hydrocarbon chain and a functional group capable of selectively binding to the first surface at one end of the hydrocarbon chain, which is bound to the first surface via such functional group; a second linker molecule comprising a reactive group capable of binding to the hydrocarbon chain of the first linker molecule, which is bound to the first linker molecule via a bond between the reactive group and the hydrocarbon chain; and a biomolecule bound thereto via the second linker molecule.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: May 26, 2015
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Yasuhiko Tada, Hiroshi Yoshida, Toshiro Saito, Masatoshi Narahara, Hiroaki Nakagawa
  • Patent number: 8976640
    Abstract: An information recording medium includes a plurality of wobbled tracks, in which a phase mismatch range of an adjacent wobble is a portion of a range of one track.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: March 10, 2015
    Assignee: Sony Corporation
    Inventors: Yuuichi Suzuki, Kensaku Takahashi, Nobuhiko Ando, Tetsuya Inoue, Yutaka Tentaku, Hiroaki Nakagawa
  • Publication number: 20150064847
    Abstract: The present invention aims to provide a method for producing a semiconductor device, the method being capable of achieving high reliability by suppressing voids. The present invention also aims to provide a flip-chip mounting adhesive for use in the method for producing a semiconductor device. The present invention relates to a method for producing a semiconductor device, including: step 1 of positioning a semiconductor chip on a substrate via an adhesive, the semiconductor chip including bump electrodes each having an end made of solder; step 2 of heating the semiconductor chip at a temperature of the melting point of the solder or higher to solder and bond the bump electrodes of the semiconductor chip to an electrode portion of the substrate, and concurrently to temporarily attach the adhesive; and step 3 of removing voids by heating the adhesive under a pressurized atmosphere, wherein the adhesive has an activation energy ?E of 100 kJ/mol or less, a reaction rate of 20% or less at 2 seconds at 260° C.
    Type: Application
    Filed: August 5, 2013
    Publication date: March 5, 2015
    Inventors: Sayaka Wakioka, Hiroaki Nakagawa, Yoshio Nishimura, Shujiro Sadanaga
  • Publication number: 20140204725
    Abstract: An information recording medium includes a plurality of wobbled tracks, in which a phase mismatch range of an adjacent wobble is a portion of a range of one track.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 24, 2014
    Applicant: Sony Corporation
    Inventors: Yuuichi Suzuki, Kensaku Takahashi, Nobuhiko Ando, Tetsuya Inoue, Yutaka Tentaku, Hiroaki Nakagawa
  • Patent number: 8657713
    Abstract: A power train for a tractor includes an engine power transmission shaft extending along the longitudinal direction of the vehicle body rearwardly of an engine, and a hydrostatic stepless speed changer unit (HST) configured to input power from the engine. A pump and a motor of the HST are juxtaposed along the transverse direction of the vehicle body. A planetary gear unit is disposed rearwardly of the HST in the longitudinal direction of the vehicle body. The planetary gear unit is configured to input power from the engine via the engine power transmission shaft and power from the HST and to output a traveling power. A branch transmission mechanism is disposed forwardly of the HST in the longitudinal direction of the vehicle body and configured to transmit the power from the engine to an input shaft of the pump and to the engine power transmission shaft in distribution.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: February 25, 2014
    Assignee: Kubota Corporation
    Inventors: Hidetoshi Hana, Hiroaki Nakagawa
  • Publication number: 20130074481
    Abstract: In a backhoe comprising: a diesel engine able to increase a speed due to an accelerating operation; an exhaust gas cleaning device having a DPF for catching a particulate matter included in an exhaust gas exhausted from the diesel engine; and a filter regeneration means to combust and remove the particulate matter deposited in the DPF of the exhaust gas cleaning device, the filter regeneration means requires to increase the speed of the diesel engine during an automatic regeneration for automatically combusting and removing the particulate matter deposited in the DPF. In this manner, a working machine able to require an operator to increase the speed of the diesel engine at appropriate timing, in order to increase a temperature of the exhaust gas to a temperature required for regeneration of the DPF can be provided.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 28, 2013
    Inventors: Keisuke MIURA, Hiroaki Nakagawa, Ryosuke Kinugawa, Atsushi Matsumoto, Teruo Kunizawa, Ikuhiro Uotani, Masaru Soejima, Satoshi Tajima
  • Patent number: 8259553
    Abstract: An optical pickup includes: a light source outputting a light beam; an objective lens collecting the light beam on a target recording layer as a target of plural recording layers provided in an optical disc; a lens moving unit moving the objective lens in a tracking direction nearly orthogonal to track grooves helically or coaxially formed in the target recording layer; a collective lens collecting a reflected light beam formed when the light beam is reflected by the optical disc; a diffraction optical element diffracting part of the reflected first-order light beam in predetermined directions as first, second, third and fourth beams; and a photodetector receiving the first and second beams using first and second light receiving areas, and generating light reception signals, and receiving the third and fourth beams using third and fourth light receiving areas, and generates light reception signals.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: September 4, 2012
    Assignee: Sony Corporation
    Inventors: Fumiaki Nakano, Nobuhiko Ando, Noriaki Nishi, Takashi Nakao, Hiroaki Nakagawa, Yutaka Tentaku
  • Patent number: 8232079
    Abstract: After various sugar nucleotide solutions and glycosyltransferases (or primers) have been mixed, they are introduced into a reaction tank (column) with primers (or glycosyltransferases) immobilized thereon. Then solutions coming out of the reaction tank are led to an ultrafiltration column. The oligosaccharide synthesizer according to the present invention is equipped with a flow path for ensuring that glycosyltransferases or primers separated by the ultrafiltration column are returned into a container for storing each solution in a sample injector.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: July 31, 2012
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Kisaburo Deguchi, Genzou Hirata, Masahito Ito, Hiroaki Nakagawa, Shinichiro Nishimura
  • Publication number: 20120130050
    Abstract: This invention provides a biomolecule modifying substrate comprising biomolecules selectively fixed to given regions thereon. The biomolecule modifying substrate comprises: a substrate at least comprising a first surface and a second surface; a first linker molecule comprising a hydrocarbon chain and a functional group capable of selectively binding to the first surface at one end of the hydrocarbon chain, which is bound to the first surface via such functional group; a second linker molecule comprising a reactive group capable of binding to the hydrocarbon chain of the first linker molecule, which is bound to the first linker molecule via a bond between the reactive group and the hydrocarbon chain; and a biomolecule bound thereto via the second linker molecule.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 24, 2012
    Inventors: Yasuhiko Tada, Hiroshi Yoshida, Toshiro Saito, Masatoshi Narahara, Hiroaki Nakagawa
  • Publication number: 20120058568
    Abstract: It is an object of the present invention to provide a liquid chromatograph which, in a high performance liquid chromatograph analysis using a post-column method, can maintain mixing precision of a sample eluted from a column and a reaction reagent without a special mixing and reacting portion, prevent diffusion of a target component, and perform measurement with high sensitivity. The liquid chromatograph of the present invention has a mobile phase feed pump 1 with an allowable pressure higher than 40 MPa, a separation column 3 having a packing material with a particle diameter of 3 ?m or smaller, and a reaction reagent feed pump 8 to which a pressurizing coil 9 for increasing the pressure acting on the reaction reagent feed pump 8 is connected.
    Type: Application
    Filed: March 3, 2010
    Publication date: March 8, 2012
    Applicant: Hitachi High-Technologies Corporation
    Inventors: Midori Sasaki, Masako Ishikawa, Hiroaki Nakagawa, Hiroshi Suzuki, Masahito Ito
  • Publication number: 20120046138
    Abstract: A power train for a tractor includes an engine power transmission shaft extending along the longitudinal direction of the vehicle body rearwardly of an engine, and a hydrostatic stepless speed changer unit (HST) configured to input power from the engine. A pump and a motor of the HST are juxtaposed along the transverse direction of the vehicle body. A planetary gear unit is disposed rearwardly of the HST in the longitudinal direction of the vehicle body. The planetary gear unit is configured to input power from the engine via the engine power transmission shaft and power from the HST and to output a traveling power. A branch transmission mechanism is disposed forwardly of the HST in the longitudinal direction of the vehicle body and configured to transmit the power from the engine to an input shaft of the pump and to the engine power transmission shaft in distribution.
    Type: Application
    Filed: March 18, 2011
    Publication date: February 23, 2012
    Applicant: KUBOTA CORPORATION
    Inventors: Hidetoshi Hana, Hiroaki Nakagawa
  • Patent number: 8000189
    Abstract: An optical pickup includes: a light source that emits a light beam; an object lens that condenses the light beam on a target recording layer of an optical disk; a lens moving unit; a condensing lens; a hologram element that diffracts, in diffracting a reflected light beam and separating it into reflected zeroth-order and first-order light beams, parts of the reflected first-order light beam in a first direction and sets them as first and second beams, diffracts parts of the reflected first-order light beam in a second direction and sets them as third and fourth beams; and a photodetector that receives the first and second beams and the third and fourth beams and generates light reception signals, and receives interlayer stray light of a part of the light beam reflected by the other recording layers other than the target recording layer and generates a stray light reception signal.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: August 16, 2011
    Assignee: Sony Corporation
    Inventors: Takashi Nakao, Fumiaki Nakano, Noriaki Nishi, Nobuhiko Ando, Hiroaki Nakagawa, Yutaka Tentaku
  • Patent number: 7883873
    Abstract: The present invention provides a sugar chain synthesizer capable of continuously reacting sugar chains when a plurality of sugar chains are successively reacted. The sugar chain synthesizer of the present invention includes a plurality of vessels containing respective sugar nucleotide solutions, a plurality of vessels containing respective glycosyltransferases, and a reactor containing a primer that is a water-soluble polymer, into which the above described sugar nucleotide solution and glycosyltransferase are introduced. In the present invention, components in a reaction solution obtained in the reactor are separated through an ultrafiltration column, and a reaction product is then returned to the above described reactor, so as to continuously synthesize sugar chains. Although it is a complicated synthesis of sugar chains, it becomes possible to carry out such synthesis continuously and automatically.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: February 8, 2011
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Masanori Takaki, Kuriko Yamada, Kisaburo Deguchi, Hiroaki Nakagawa, Shinichiro Nishimura
  • Publication number: 20100214902
    Abstract: An optical pickup includes: a light source outputting a light beam; an objective lens collecting the light beam on a target recording layer as a target of plural recording layers provided in an optical disc; a lens moving unit moving the objective lens in a tracking direction nearly orthogonal to track grooves helically or coaxially formed in the target recording layer; a collective lens collecting a reflected light beam formed when the light beam is reflected by the optical disc; a diffraction optical element diffracting part of the reflected first-order light beam in predetermined directions as first, second, third and fourth beams; and a photodetector receiving the first and second beams using first and second light receiving areas, and generating light reception signals, and receiving the third and fourth beams using third and fourth light receiving areas, and generates light reception signals.
    Type: Application
    Filed: February 10, 2010
    Publication date: August 26, 2010
    Applicant: Sony Corporation
    Inventors: Fumiaki Nakano, Nobuhiko Ando, Noriaki Nishi, Takashi Nakao, Hiroaki Nakagawa, Yutaka Tentaku
  • Publication number: 20100014410
    Abstract: An optical pickup includes: a light source that emits a light beam; an object lens that condenses the light beam on a target recording layer of an optical disk; a lens moving unit; a condensing lens; a hologram element that diffracts, in diffracting a reflected light beam and separating it into reflected zeroth-order and first-order light beams, parts of the reflected first-order light beam in a first direction and sets them as first and second beams, diffracts parts of the reflected first-order light beam in a second direction and sets them as third and fourth beams; and a photodetector that receives the first and second beams and the third and fourth beams and generates light reception signals, and receives interlayer stray light of a part of the light beam reflected by the other recording layers other than the target recording layer and generates a stray light reception signal.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 21, 2010
    Applicant: Sony Corporation
    Inventors: Takashi NAKAO, Fumiaki NAKANO, Noriaki NISHI, Nobuhiko ANDO, Hiroaki NAKAGAWA, Yutaka TENTAKU
  • Patent number: 7556962
    Abstract: The present invention provides a sugar chain purification instrument which can continuously and efficiently purify the sugar chain. According to the present invention, the instrument includes an immobilized protease column in which a carrier which can be packed in the column and on which protease is immobilized is packed and an immobilized glycopeptidase column in which a carrier which can be packed in the column and on which glycopeptidase is immobilized is packed, these columns being connected in series, and the reaction is carried out while continuously passing a glycoprotein to be decomposed together with a suitable buffer solution through the above columns. The step of liberation of sugar chain from the glycoprotein is highly simplified and labor-saving, and liberation of the sugar chain can be moderately and simply performed.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: July 7, 2009
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Masanori Takaki, Kuriko Yamada, Kisaburo Deguchi, Hiroaki Nakagawa, Shinichiro Nishimura
  • Publication number: 20080215886
    Abstract: There is provided a function license authentication method and system capable of preventing the illegal creation of a license key.
    Type: Application
    Filed: February 5, 2008
    Publication date: September 4, 2008
    Applicant: NEC Infrontia Corporation
    Inventors: Hiroaki Nakagawa, Nobuo Nishide