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).
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Patent number: 9209155Abstract: 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: GrantFiled: August 5, 2013Date of Patent: December 8, 2015Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Sayaka Wakioka, Hiroaki Nakagawa, Yoshio Nishimura, Shujiro Sadanaga
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Patent number: 9139607Abstract: 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: GrantFiled: December 25, 2003Date of Patent: September 22, 2015Assignee: Sumitomo Bakelite Co., Ltd.Inventors: Shinichiro Nishimura, Kenichi Niikura, Hiroaki Nakagawa, Minenobu Okayama
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Publication number: 20150175652Abstract: 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: ApplicationFiled: December 23, 2014Publication date: June 25, 2015Inventors: Shinichiro Nishimura, Kenichi Niikura, Hiroaki Nakagawa, Minenobu Okayama
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Patent number: 9040251Abstract: 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: GrantFiled: July 29, 2010Date of Patent: May 26, 2015Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Yasuhiko Tada, Hiroshi Yoshida, Toshiro Saito, Masatoshi Narahara, Hiroaki Nakagawa
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Patent number: 8976640Abstract: 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: GrantFiled: January 15, 2014Date of Patent: March 10, 2015Assignee: Sony CorporationInventors: Yuuichi Suzuki, Kensaku Takahashi, Nobuhiko Ando, Tetsuya Inoue, Yutaka Tentaku, Hiroaki Nakagawa
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Publication number: 20150064847Abstract: 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: ApplicationFiled: August 5, 2013Publication date: March 5, 2015Inventors: Sayaka Wakioka, Hiroaki Nakagawa, Yoshio Nishimura, Shujiro Sadanaga
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Publication number: 20140204725Abstract: 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: ApplicationFiled: January 15, 2014Publication date: July 24, 2014Applicant: Sony CorporationInventors: Yuuichi Suzuki, Kensaku Takahashi, Nobuhiko Ando, Tetsuya Inoue, Yutaka Tentaku, Hiroaki Nakagawa
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Patent number: 8657713Abstract: 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: GrantFiled: March 18, 2011Date of Patent: February 25, 2014Assignee: Kubota CorporationInventors: Hidetoshi Hana, Hiroaki Nakagawa
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Publication number: 20130074481Abstract: 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: ApplicationFiled: September 13, 2012Publication date: March 28, 2013Inventors: Keisuke MIURA, Hiroaki Nakagawa, Ryosuke Kinugawa, Atsushi Matsumoto, Teruo Kunizawa, Ikuhiro Uotani, Masaru Soejima, Satoshi Tajima
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Patent number: 8259553Abstract: 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: GrantFiled: February 10, 2010Date of Patent: September 4, 2012Assignee: Sony CorporationInventors: Fumiaki Nakano, Nobuhiko Ando, Noriaki Nishi, Takashi Nakao, Hiroaki Nakagawa, Yutaka Tentaku
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Patent number: 8232079Abstract: 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: GrantFiled: August 5, 2005Date of Patent: July 31, 2012Assignee: Hitachi High-Technologies CorporationInventors: Kisaburo Deguchi, Genzou Hirata, Masahito Ito, Hiroaki Nakagawa, Shinichiro Nishimura
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Publication number: 20120130050Abstract: 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: ApplicationFiled: July 29, 2010Publication date: May 24, 2012Inventors: Yasuhiko Tada, Hiroshi Yoshida, Toshiro Saito, Masatoshi Narahara, Hiroaki Nakagawa
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Publication number: 20120058568Abstract: 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: ApplicationFiled: March 3, 2010Publication date: March 8, 2012Applicant: Hitachi High-Technologies CorporationInventors: Midori Sasaki, Masako Ishikawa, Hiroaki Nakagawa, Hiroshi Suzuki, Masahito Ito
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Publication number: 20120046138Abstract: 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: ApplicationFiled: March 18, 2011Publication date: February 23, 2012Applicant: KUBOTA CORPORATIONInventors: Hidetoshi Hana, Hiroaki Nakagawa
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Patent number: 8000189Abstract: 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: GrantFiled: July 13, 2009Date of Patent: August 16, 2011Assignee: Sony CorporationInventors: Takashi Nakao, Fumiaki Nakano, Noriaki Nishi, Nobuhiko Ando, Hiroaki Nakagawa, Yutaka Tentaku
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Patent number: 7883873Abstract: 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: GrantFiled: February 18, 2005Date of Patent: February 8, 2011Assignee: Hitachi High-Technologies CorporationInventors: Masanori Takaki, Kuriko Yamada, Kisaburo Deguchi, Hiroaki Nakagawa, Shinichiro Nishimura
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Publication number: 20100214902Abstract: 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: ApplicationFiled: February 10, 2010Publication date: August 26, 2010Applicant: Sony CorporationInventors: Fumiaki Nakano, Nobuhiko Ando, Noriaki Nishi, Takashi Nakao, Hiroaki Nakagawa, Yutaka Tentaku
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Publication number: 20100014410Abstract: 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: ApplicationFiled: July 13, 2009Publication date: January 21, 2010Applicant: Sony CorporationInventors: Takashi NAKAO, Fumiaki NAKANO, Noriaki NISHI, Nobuhiko ANDO, Hiroaki NAKAGAWA, Yutaka TENTAKU
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Patent number: 7556962Abstract: 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: GrantFiled: February 18, 2005Date of Patent: July 7, 2009Assignee: Hitachi High-Technologies CorporationInventors: Masanori Takaki, Kuriko Yamada, Kisaburo Deguchi, Hiroaki Nakagawa, Shinichiro Nishimura
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Publication number: 20080215886Abstract: There is provided a function license authentication method and system capable of preventing the illegal creation of a license key.Type: ApplicationFiled: February 5, 2008Publication date: September 4, 2008Applicant: NEC Infrontia CorporationInventors: Hiroaki Nakagawa, Nobuo Nishide