Patents by Inventor Tatsuya Oka

Tatsuya Oka 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: 10286375
    Abstract: A reactor has a heat exchanging body having a heat medium flow channel that a heat medium fluid flows and a reaction flow channel that a reaction fluid flow, and at least one detection part for detecting temperature of a fluid in one or both of the heat medium flow channel and the reaction flow channel. At least one installation hole extends in a skew position to the flow channel and includes an opening portion communicating with the flow channel. The detection part is installed at the opening portion and contacts the flowing fluid. At least one fluid guide hole is formed along the flow channel from the opening portion of the installation hole.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: May 14, 2019
    Assignee: IHI CORPORATION
    Inventors: Yusuke Takeuchi, Akihisa Yano, Tatsuya Oka, Takahito Akita, Taiga Yamamoto, Hideshi Shibuya, Yushi Kameoka, Koki Yasui
  • Publication number: 20180318786
    Abstract: A reactor has a heat exchanging body including therein a heat medium flow channel in which heat medium flows, and a reaction flow channel in which a reaction fluid flows, to exchange heat between the heat medium and the reaction fluid. A heat transfer promoter is provided in the heat medium flow channel and comes in close contact with the heat exchanging body to promote heat transfer between the heat medium and the heat exchanging body. The heat transfer promoter is an assembly of partial heat transfer promoters of a plurality of types. Replacing the partial heat transfer promoter with another type one, temperature distribution in the heat exchanging body is adjusted.
    Type: Application
    Filed: July 18, 2018
    Publication date: November 8, 2018
    Applicant: IHI CORPORATION
    Inventors: Akihisa YANO, Tatsuya OKA, Takahito AKITA, Taiga YAMAMOTO, Hideshi SHIBUYA, Yushi KAMEOKA, Yusuke TAKEUCHI, Koki YASUI, Takuya YOSHINOYA
  • Patent number: 10118148
    Abstract: An end surface of each first side wall, an end surface of each first middle wall, and an end surface of each first end wall are joined to an adjacent second structure by diffusion bonding, an end surface of each second side wall, an end surface of each second middle wall, and an end surface of each second end wall are joined to an adjacent first structure or a lid structure by diffusion bonding, a thickness of each first side wall is greater than or equal to a thickness of each first middle wall, and a thickness of each second side wall is greater than or equal to a thickness of each second middle wall.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 6, 2018
    Assignee: IHI CORPORATION
    Inventors: Shigeki Sakakura, Nobuyuki Honma, Takashi Nishii, Tomohiro Kaneko, Rie Harada, Kunitaka Masaki, Hiroyuki Kamata, Koki Hamada, Akihisa Yano, Tatsuya Oka, Yusuke Takeuchi
  • Publication number: 20180290121
    Abstract: A reactor has a heat exchanging body having a heat medium flow channel that a heat medium fluid flows and a reaction flow channel that a reaction fluid flow, and at least one detection part for detecting temperature of a fluid in one or both of the heat medium flow channel and the reaction flow channel. At least one installation hole extends in a skew position to the flow channel and includes an opening portion communicating with the flow channel. The detection part is installed at the opening portion and contacts the flowing fluid. At least one fluid guide hole is formed along the flow channel from the opening portion of the installation hole.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Applicant: IHI CORPORATION
    Inventors: Yusuke TAKEUCHI, Akihisa YANO, Tatsuya OKA, Takahito AKITA, Taiga YAMAMOTO, Hideshi SHIBUYA, Yushi KAMEOKA, Koki YASUI
  • Publication number: 20180292085
    Abstract: A combustion gas supply system has an air compressor supplying compressed air, a fuel supply device that supplies a fuel and a combustor that generates a pressurized combustion gas by combusting the fuel and the compressed air. At a gas supply and recovery section, the pressurized combustion gas generated by the combustor is supplied to a heat consumption apparatus, and the pressurized combustion gas after heat consumption is recovered as a used gas. A part of the used gas recovered is supplementarily compressed by a re-pressurizing compressor and supplied to the compressed air.
    Type: Application
    Filed: June 13, 2018
    Publication date: October 11, 2018
    Applicant: IHI CORPORATION
    Inventors: Hideshi SHIBUYA, Akihisa YANO, Tatsuya OKA, Takahito AKITA, Taiga YAMAMOTO, Yushi KAMEOKA, Yusuke TAKEUCHI, Koki YASUI
  • Publication number: 20180093241
    Abstract: An end surface of each first side wall, an end surface of each first middle wall, and an end surface of each first end wall are joined to an adjacent second structure by diffusion bonding, an end surface of each second side wall, an end surface of each second middle wall, and an end surface of each second end wall are joined to an adjacent first structure or a lid structure by diffusion bonding, a thickness of each first side wall is greater than or equal to a thickness of each first middle wall, and a thickness of each second side wall is greater than or equal to a thickness of each second middle wall.
    Type: Application
    Filed: November 22, 2017
    Publication date: April 5, 2018
    Applicant: IHI CORPORATION
    Inventors: Shigeki SAKAKURA, Nobuyuki HONMA, Takashi NISHII, Tomohiro KANEKO, Rie HARADA, Kunitaka MASAKI, Hiroyuki KAMATA, Koki HAMADA, Akihisa YANO, Tatsuya OKA, Yusuke TAKEUCHI
  • Publication number: 20180093242
    Abstract: A reactor includes: a main reactor core including main reaction flow channels through which the raw material fluid flows, and main temperature control flow channels through which the heat medium flows along a flow direction of the raw material fluid flowing in the main reaction flow channel; and a pre-reactor core including pre-reaction flow channels of which an outlet side connects with an inlet side of the main reaction flow channels and through which the raw material fluid flows, and pre-temperature control flow channels of which an inlet side connects with an outlet side of the main reaction flow channels and through which the product serving as the heat medium flows along a flow direction of the raw material fluid flowing in the pre-reaction flow channel.
    Type: Application
    Filed: November 22, 2017
    Publication date: April 5, 2018
    Applicant: IHI CORPORATION
    Inventors: Akihisa YANO, Tatsuya OKA, Hiroyuki KAMATA, Shigeki SAKAKURA, Nobuyuki HONMA, Yusuke TAKEUCHI
  • Patent number: 9868840
    Abstract: There is provided a shaped article made of porous hydrogel that contains a polyvinyl alcohol acetalized with a dialdehyde, wherein the shaped article after freeze-drying has a pore size of 0.1 to 50 ?m. Preferably, the shaped article made of porous hydrogel further contains a water-soluble polysaccharide. Also preferably, an acetalization degree of the polyvinyl alcohol is 1 to 50 mol %. Also preferably, the shaped article made of porous hydrogel is in the form of particles with a sphere-equivalent diameter of 1 to 20 mm. Such a shaped article made of porous hydrogel exhibits high strength and good survivability of microorganisms.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: January 16, 2018
    Assignee: KURARAY CO., LTD.
    Inventors: Tatsuya Oka, Arata Ishiodori, Mototsugu Yoshihara
  • Patent number: 9036356
    Abstract: A printed circuit board laminate is provided of a novel structure that is not only capable of enhancing a degree of freedom in design and achieving a further size reduction, but also capable of enhancing heat releasing performance in a space sandwiched in between two printed circuit boards. A lattice-like portion formed of a plurality of connection walls crossed with one another is provided to an insulating plate interposed between two printed circuit boards, and the connection walls are positioned with clearances from the two printed circuit boards, respectively, by a plurality of supporting ribs protruding from the connection walls toward at least one of the two printed circuit boards.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: May 19, 2015
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Akira Baba, Tatsuya Oka
  • Publication number: 20140353248
    Abstract: There is provided a shaped article made of porous hydrogel that contains a polyvinyl alcohol acetalized with a dialdehyde, wherein the shaped article after freeze-drying has a pore size of 0.1 to 50 ?m. Preferably, the shaped article made of porous hydrogel further contains a water-soluble polysaccharide. Also preferably, an acetalization degree of the polyvinyl alcohol is 1 to 50 mol %. Also preferably, the shaped article made of porous hydrogel is in the form of particles with a sphere-equivalent diameter of 1 to 20 mm. Such a shaped article made of porous hydrogel exhibits high strength and good survivability of microorganisms.
    Type: Application
    Filed: December 26, 2012
    Publication date: December 4, 2014
    Applicant: KURARAY CO., LTD.
    Inventors: Tatsuya Oka, Arata Ishiodori, Mototsugu Yoshihara
  • Patent number: 8840408
    Abstract: A board terminal has a flat-plate shaped connection portion to be connected to an electric component at one end and an insertion portion to be inserted in and soldered to a through-hole of a printed circuit board at the other end and is formed in a crank shape by being provided with a support plate portion protruding in a plate thickness direction of the connection portion between the connection portion and the insertion portion. Also, the insertion portion is formed in a location on only one side in a width direction of the support plate portion.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: September 23, 2014
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Akira Baba, Tatsuya Oka
  • Publication number: 20130288311
    Abstract: A fermentation apparatus (A) of the present invention comprising: an enzymatic reactor (4) for degrading cellulose using a diastatic enzyme, and a first catalytic reactor (5) for degrading the degradation product produced by the enzymatic reactor (4) into glucose, using a solid acid catalyst (X). According to this fermentation apparatus (A), saccharification treatment of cellulose can be performed while reducing diastatic enzyme costs.
    Type: Application
    Filed: September 27, 2011
    Publication date: October 31, 2013
    Inventors: Kenji Sato, Makoto Kitano, Tatsuya Oka, Kentaro Nariai, Norimitsu Kaneko, Michikazu Hara
  • Publication number: 20130058858
    Abstract: A method for producing a porous body containing polyacrylonitrile as a main component, and the method includes the steps of obtaining a polyacrylonitrile solution by heating and dissolving the polyacrylonitrile in a solvent, obtaining a product precipitated by cooling the polyacrylonitrile solution, and obtaining the porous body containing the polyacrylonitrile as a main component by separating and drying the product. The solvent contains a poor solvent for the polyacrylonitrile and a good solvent for the polyacrylonitrile.
    Type: Application
    Filed: May 2, 2011
    Publication date: March 7, 2013
    Applicant: OSAKA UNIVERSITY
    Inventors: Hiroshi Uyama, Takashi Tsujimoto, Keisuke Okada, Tatsuya Oka
  • Patent number: 8378211
    Abstract: The invention provides an electric connection box having a novel structure in which a load applied to substrate terminals at the time of insertion and pulling out of electric components is alleviated with a small number of components, while the effective utilization of the printed board is realized. A circuit body is stacked on the printed board with an insulating plate interposed therebetween. The substrate terminals are formed so as to project from a surface of the printed board on the side where the circuit body is stacked at portions which are not covered with the circuit body, and each are formed with a locking portion to be placed on the surface of the printed board at a base portion thereof. On the other hand, pressing portions for pressing the locking portions are integrally formed with the insulating plate.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: February 19, 2013
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Tatsuya Oka, Yoshihiko Gotou
  • Publication number: 20120279494
    Abstract: The hot water-flowing type saccharification apparatus (A) which hydrolyzes a raw material organic substance (X) stored in a reaction pipe (1) by passing pressurized hot water therethrough, includes a raw material hopper (4) which stores the raw material organic substance (X), a raw material-feeding pipe (3) which receives the raw material organic substance (X) dropped from the raw material hopper (4) and communicates with the reaction pipe (1), a raw material transfer unit (5) which transfers the raw material organic substance (X) to the reaction pipe (1) by extruding the raw material organic substance (X) from one end of the raw material-feeding pipe (3) toward the reaction pipe (1), a shutoff valve (2) provided between the raw material-feeding pipe (3) and the reaction pipe (1), a residue discharge unit (6) provided in the reaction pipe (1) on an opposite side to the raw material-feeding pipe (3) so as to discharge a residue (Xa) outside, a pressurized hot water supply unit (7) which supplies pressurized ho
    Type: Application
    Filed: January 18, 2011
    Publication date: November 8, 2012
    Inventors: Makoto Kitano, Kenji Sato, Kentaro Nariai, Tatsuya Oka
  • Publication number: 20120279495
    Abstract: A solid-acid-catalyzed saccharification device (A) includes a catalytic reaction vessel (3) configured to contain a polysaccharide feedstock with water and a solid-acid catalyst (X2) as a liquid mixture (X3) to monosaccharify the polysaccharide using the solid-acid catalyst (X2), an agitation device (4) configured to agitate the liquid mixture (X3) in the catalytic reaction vessel (3), an oxidation-reduction electrometer (5) configured to measure the redox potential of the liquid mixture (X3) in the catalytic reaction vessel (3), and a pH meter (6) configured to measure the pH of the liquid mixture (X3) in the catalytic reaction vessel (3). According to the solid-acid-catalyzed saccharification device (A), it is possible to accurately follow the reaction state of a saccharification process of a feedstock using a solid acid catalyst.
    Type: Application
    Filed: January 18, 2011
    Publication date: November 8, 2012
    Inventors: Makoto Kitano, Kenji Sato, Kentaro Nariai, Tatsuya Oka, Michikazu Hara, Daizo Yamaguchi
  • Publication number: 20120186849
    Abstract: The invention provides an electric connection box having a novel structure in which a load applied to substrate terminals at the time of insertion and pulling out of electric components is alleviated with a small number of components, while the effective utilization of the printed board is realized. A circuit body is stacked on the printed board with an insulating plate interposed therebetween. The substrate terminals are formed so as to project from a surface of the printed board on the side where the circuit body is stacked at portions which are not covered with the circuit body, and each are formed with a locking portion to be placed on the surface of the printed board at a base portion thereof. On the other hand, pressing portions for pressing the locking portions are integrally formed with the insulating plate.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 26, 2012
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Tatsuya OKA, Yoshihiko GOTOU
  • Patent number: 7955115
    Abstract: A connector containing member on an electrical junction box is provided on an inner surface with a connector latching projection. A flexible piece being latched protrudes from a housing outer surface of a connector fitted in the connector containing member. A projection being latched that is provided on the piece being latched is locked on the connector latching projection. A cover attaching portion protrudes from a peripheral edge along one side of the connector containing member at the projecting side of the connector latching projection. A cover is secured to a cover attaching portion by screws after the connector is fitted in the connector containing member. The cover includes an interfering rib that protrudes outward from a connector receiving port, and a latching holder that is bent from a distal end of the interfering rib and is inserted into a clearance between the housing outer surface of the connector and the piece being latched.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: June 7, 2011
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Satoru Morino, Tatsuya Oka
  • Publication number: 20110045684
    Abstract: A connector containing member on an electrical junction box is provided on an inner surface with a connector latching projection. A flexible piece being latched protrudes from a housing outer surface of a connector fitted in the connector containing member. A projection being latched that is provided on the piece being latched is locked on the connector latching projection. A cover attaching portion protrudes from a peripheral edge along one side of the connector containing member at the projecting side of the connector latching projection. A cover is secured to a cover attaching portion by screws after the connector is fitted in the connector containing member. The cover includes an interfering rib that protrudes outward from a connector receiving port, and a latching holder that is bent from a distal end of the interfering rib and is inserted into a clearance between the housing outer surface of the connector and the piece being latched.
    Type: Application
    Filed: February 14, 2008
    Publication date: February 24, 2011
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Satoru Morino, Tatsuya Oka
  • Patent number: 7390198
    Abstract: In a case, a branch circuit unit, a multifunction relay unit and a relay unit are stored, being subsequently arranged in parallel. The branch circuit unit is composed of a laminated body of a bus bar and an insulating board, and a first printed board provided with a conductor on the both front and rear planes. The multifunction relay unit is provided with a second printed board whereupon an electric component is mounted, and a relay connector which connects the conductors of the first to the third printed boards. An external connecting terminal is protruded from the conductor of the second printed board and is protruded into a connector fitting part provided on the case. The relay unit is mounted with a plurality of relays on the third printed board.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: June 24, 2008
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Tatsuya Oka, Yukinori Kita