Patents by Inventor Koichi Sato

Koichi Sato 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: 10099311
    Abstract: A spot welding method is a method of performing spot welding to obtain a spot welded joint, the method including a spot welding with two-stage welding, setting a ratio (I2/I1) of a current I2 of a second welding process to a current I1 of a first welding process to from 0.5 to 0.8, setting a time tc of a cooling process within a range of from 0.8×tmin to 2.5×tmin wherein tmin is calculated using the equation (0.2×H2) according to a sheet thickness H of the steel sheets, setting an welding time t2 of a second welding process within a range of from 0.7×tmin to 2.5×tmin, and setting a pressure from the cooling process onward to greater than a pressure until the first welding process.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: October 16, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Seiji Furusako, Fuminori Watanabe, Yasunobu Miyazaki, Tohru Okada, Tasuku Zeniya, Koichi Sato
  • Patent number: 10092982
    Abstract: The present invention provides a fillet welded joint and a method of production of a fillet welded joint which can raise the productivity of the method of production of a fillet welded joint and a fillet welded joint without sacrificing the strength against fatigue fracture of the welded structural member. The fillet welded joint of the present invention is a fillet welded joint formed by fillet welding at least two metal members, wherein, on the surface of at least one of the metal members, the fillet welded joint comprises a press bead of a rib-shaped projection provided by press-forming so as to project upward to the side having a weld bead formed by the fillet welding, and part of the press bead contacts or overlaps the weld bead.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: October 9, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Shinji Kodama, Shoko Oami, Koichi Sato, Yoshiaki Nakazawa
  • Publication number: 20180286782
    Abstract: A method of producing a semiconductor device includes forming, on a semiconductor substrate comprising a first surface on which an insulating layer covering a wiring structure and a first through via passing through the insulating layer are formed and a second surface opposed to, and facing away from, the first surface, a patterned first insulating film comprising at least one opening therethrough on the second surface, forming a through via hole inwardly of the second surface within which the wiring structure is exposed, by anisotropic dry etching into the second surface side of the semiconductor substrate through the at least one opening in the first insulating film, using a gas mixture containing SF6, O2, SiF4, and at least one of CF4, Cl2, BCl3, CF3I, and HBr, and forming a second through via in the through via hole.
    Type: Application
    Filed: September 4, 2017
    Publication date: October 4, 2018
    Inventors: Yuki NODA, Ippei KUME, Kazuhiko NAKAMURA, Koichi SATO
  • Patent number: 10069458
    Abstract: According to one embodiment, an inverter includes a housing having a corner, a DC terminal, an electronic component, an AC terminal, a wireless communication module, and a projection mechanism. The DC terminal inputs DC power. The electronic component converts the DC power input to the DC terminal into AC power. The AC terminal outputs the AC power from the electronic component to the outside of the housing. The wireless communication module includes an antenna which receives or transmits a signal for controlling the electronic component. The projection mechanism projects at least a part of the antenna into the outside of the housing. The projection mechanism is provided in a portion of the housing other than the corner.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: September 4, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi Sato, Shingo Yanagimoto
  • Publication number: 20180236589
    Abstract: A lap welding method of a steel sheet includes spot welding in a state in which the flange portion of a second steel sheet member having the flange portion and a standing wall portion is overlapped with the first steel sheet member, thereby forming a nugget between a first steel sheet member and a flange portion; and, after the spot welding, laser welding a region between an R stop of the standing wall portion and the nugget, thereby forming a weld bead, and, in the weld bead, a length dimension is equal to or longer than a diameter of the nugget, and a width dimension is 0.5 to 3.0 mm.
    Type: Application
    Filed: September 16, 2016
    Publication date: August 23, 2018
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Seiji FURUSAKO, Tohru OKADA, Koichi SATO, Yasunobu MIYAZAKI
  • Patent number: 10025232
    Abstract: An intermediate transfer member for electrophotography comprising a substrate and a surface layer provided on the substrate. The surface layer comprises a binder resin and a perfluoropolyether. An extraction amount of the perfluoropolyether per 10 mm3 of the surface layer, is 0.10 mg to 5.00 mg, the extraction amount of the perfluoropolyether obtained by immersing the intermediate transfer member into a solvent that can dissolve the perfluoropolyether at 25° C. for 24 hours. A surface of the intermediate transfer member that is not subjected to first and second treatments, has a n-hexadecane contact angle of 55° or more. A surface of the intermediate transfer member that has been subjected to the first treatment, has a n-hexadecane contact angle of 40° or less. A surface of the intermediate transfer member that has been subjected to the second treatment, has a n-hexadecane contact angle of 50° or more.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: July 17, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Rieko Sakamoto, Kenji Onuma, Naoto Kameyama, Kimihiro Yoshimura, Akira Watanabe, Koichi Sato
  • Patent number: 10010917
    Abstract: Provided is a plastic working method of steel including austenite, the method including: analyzing a strain ratio ?x of an estimated breaking point which is specified during plastic deformation of the steel; heating a steel such that a local temperature Tlocal is within a temperature range indicated by the following expression 1, when T?x represents a strain-induced-transformation-maximum-ductility-temperature in the unit of ° C. for the strain ratio ?x, ?L?x represents the standard deviation of a fitted curve of critical equivalent strain which depends on the strain ratio ?x on a lower temperature side than T?x, ?H?x represents the standard deviation of a fitted curve of critical equivalent strain which depends on the strain ratio ?x on a higher temperature side than T?x, and Tlocal represents a local temperature in the unit of ° C. of the estimated breaking point; and plastically deforming the steel after heating: T?x?2×?L?x?Tlocal?T?x+1.25×?H?x??(Expression 1).
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: July 3, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Koichi Sato, Masahiro Kubo, Masaaki Mizumura, Tohru Yoshida
  • Patent number: 9992362
    Abstract: An information processing apparatus includes an acquisition unit that acquires, from a terminal apparatus, control information including model identification information for identifying a model of the terminal apparatus and setting information concerning display setting of a screen of the terminal apparatus; and a controller that causes a screen on which fewer display items than an ordinary screen are displayed to be displayed on a display in a case where the model identification information included in the control information indicates a specific model or in a case where the setting information included in the control information indicates specific setting.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 5, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Koichi Sato
  • Publication number: 20180103162
    Abstract: An information processing apparatus includes an acquisition unit that acquires, from a terminal apparatus, control information including model identification information for identifying a model of the terminal apparatus and setting information concerning display setting of a screen of the terminal apparatus; and a controller that causes a screen on which fewer display items than an ordinary screen are displayed to be displayed on a display in a case where the model identification information included in the control information indicates a specific model or in a case where the setting information included in the control information indicates specific setting.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Koichi SATO
  • Patent number: 9941574
    Abstract: According to one embodiment, an electronic apparatus includes a housing having a conductive portion in at least a part of the housing, a component which is accommodated in the housing and emits noise, an antenna which overlaps the component in a thickness direction of the housing, and a conductive member which electrically connects a ground of the antenna and the conductive portion of the housing.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: April 10, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki Hotta, Koichi Sato, Hiroaki Hirao, Naoki Tani
  • Patent number: 9939474
    Abstract: According to one embodiment, a meter with a communication function includes a terminal block, boards and an antenna. The terminal block, to which a power line is connected, is disposed at a predetermined position of an installation portion. The boards are disposed to be stacked on the terminal block to keep a distance in a direction away from the installation portion. The antenna is formed on a plate substrate disposed in a direction intersecting with the boards.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: April 10, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventor: Koichi Sato
  • Publication number: 20180044754
    Abstract: A steel sheet for hot stamping includes a composition including at least, in mass %, C: 0.100% to 0.600%, Si: 0.50% to 3.00%, Mn: 1.20% to 4.00%, Ti: 0.005% to 0.100%, B: 0.0005% to 0.0100%, P: 0.100% or less, S: 0.0001% to 0.0100%, Al: 0.005% to 1.000%, and N: 0.0100% or less, with a balance of Fe and impurities, surface roughness of the steel sheet satisfies Rz>2.5 ?m, and 50 mg/m2 to 1500 mg/m2 of coating oil is applied to a surface.
    Type: Application
    Filed: March 29, 2016
    Publication date: February 15, 2018
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Masafumi AZUMA, Yoshihiro SUWA, Yusuke KONDO, Koichi SATO
  • Patent number: 9888299
    Abstract: According to one embodiment, a concentrator, which has a first surface on which a measuring device, which measures an amount of electric power consumption, is arranged includes a housing, a communication module, a wireless communication module, a control module, a first antenna, and a second antenna. The housing includes a first sidewall and a second sidewall which are opposed in a first direction orthogonal to a direction of arrangement of the measuring device and the concentrator. The control module notifies a server of amounts of electric power consumption by using the wireless communication module. The first antenna is provided in proximity to the first sidewall. The second antenna is provided in proximity to the second sidewall.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: February 6, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Koichi Sato
  • Publication number: 20180029166
    Abstract: The present invention provides a fillet welded joint and a method of production of a fillet welded joint which can raise the productivity of the method of production of a fillet welded joint and a fillet welded joint without sacrificing the strength against fatigue fracture of the welded structural member. The fillet welded joint of the present invention is a fillet welded joint formed by fillet welding at least two metal members, wherein, on the surface of at least one of the metal members, the fillet welded joint comprises a press bead of a rib-shaped projection provided by press-forming so as to project upward to the side having a weld bead formed by the fillet welding, and part of the press bead contacts or overlaps the weld bead.
    Type: Application
    Filed: February 12, 2016
    Publication date: February 1, 2018
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Shinji KODAMA, Shoko OAMI, Koichi SATO, Yoshiaki NAKAZAWA
  • Publication number: 20180027133
    Abstract: An information processing apparatus includes an acquisition unit that acquires, from a terminal apparatus, control information including model identification information for identifying a model of the terminal apparatus and setting information concerning display setting of a screen of the terminal apparatus; and a controller that causes a screen on which fewer display items than an ordinary screen are displayed to be displayed on a display in a case where the model identification information included in the control information indicates a specific model or in a case where the setting information included in the control information indicates specific setting.
    Type: Application
    Filed: February 28, 2017
    Publication date: January 25, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Koichi SATO
  • Patent number: 9862785
    Abstract: A method for producing an olefin polymer, in which an olefin compound is polymerized in the presence of a Lewis acid catalyst at a temperature of 0° C. or lower to obtain an olefin polymer, the method comprising a step of feeding a raw material liquid including the olefin compound to a reactor provided with a cooling unit, a step of polymerizing the olefin compound in the reactor to obtain a reaction liquid including the olefin polymer, a deactivation step of adding a deactivator to the reaction liquid taken out from the reactor to deactivate the Lewis acid catalyst, and a step of supplying the reaction liquid after the deactivation step to a cold recovery unit to recover cold from the reaction liquid, wherein the amount of the Lewis acid catalyst is 0.5×10?3 to 1.0×10?1 mol % based on the total amount of the olefin compound.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: January 9, 2018
    Assignee: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Tatsuya Chiba, Koichi Sato, Teruhisa Kuroki, Ryuichiro Furusawa, Takeshi Omata
  • Patent number: 9829854
    Abstract: An opening/closing mechanism is provided between a powder transport container removably attached to an apparatus housing and a powder receiving container provided in the apparatus housing to receive powder in the powder transport container as a result of a connection port communicating with a discharging port of the powder transport container. The opening/closing mechanism opens and closes the discharging port along with attachment and detachment of the powder transport container, and includes an opening/closing lid that opens the discharging port by being stopped by a part of the powder receiving container when the powder transport container is attached to the apparatus housing, a seal member, and a covering material that is provided on a surface of the opening/closing lid opposed to the seal member and has a protruding piece in contact with an edge portion of the connection port when the powder transport container is attached.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: November 28, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Koichi Sato, Yoshiyuki Takashima, Hibiki Sasaki, Tadashi Suto
  • Publication number: 20170333972
    Abstract: A producing method of the press formed product includes a preparation step of preparing a metal sheet as a starting material, and a press working step of performing press working on the starting material by using a punch, and a pad and a die that are paired with the punch. The press working step includes a first step of forming, by the punch and the pad, the entire region of a top panel part, the entire region of each of a ridge line parts including the shape-changing part, and a region up to a predetermined height from the border between a vertical wall part and the ridge line part of a region of each of the vertical wall parts, and a second step of forming, subsequent to the first step, by the punch and the die, the remaining regions with the starting material sandwiched between the punch and the pad.
    Type: Application
    Filed: November 11, 2015
    Publication date: November 23, 2017
    Inventors: Ryuichi NISHIMURA, Yoshiaki NAKAZAWA, Toru YONEBAYASHI, Seiya ISHII, Koichi SATO
  • Publication number: 20170320113
    Abstract: A method for producing a metal sheet with raised lines uses a rolling mill including roll stands. In a preparing step, a grooved roll is prepared, the grooved roll including grooves. In a choosing step, a stand at least one stage before the last stand is chosen. In an incorporating step, the grooved roll is incorporated in as an upper roil of the chosen, specified stand. In a forming step, a workpiece is formed into a metal sheet with raised lines formed corresponding to the respective grooves. In the forming step, a maximum rolling reduction achieved by rolls of the specified stand is set to a provisional value that is lower than a required value. After the leading edge of the workpiece reaches the stand next to the specified stand, the maximum rolling reduction of the specified stand is changed to the required value.
    Type: Application
    Filed: October 7, 2015
    Publication date: November 9, 2017
    Inventors: Hitoshi NIKAIDO, Toru YONEBAYASHI, Koichi SATO, Teruo ITO, Daiki KAMADA
  • Patent number: D831143
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: October 16, 2018
    Inventor: Koichi Sato