Patents by Inventor Hitoki Kanagawa

Hitoki Kanagawa 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).

  • Publication number: 20180288883
    Abstract: A method for producing a suspension board with circuit assembly includes a preparing step of preparing a plurality of board assemblies each of which includes a plurality of suspension boards with circuit including a first terminal, a supporting portion collectively supporting the plurality of suspension boards with circuit, and a plurality of connecting portions connecting each of the suspension boards with circuit to the supporting portion; an assembly disposing step of disposing the plurality of board assemblies on a carrier board; a solder disposing step of disposing a first solder on the first terminal; an element disposing step of disposing an electronic element so as to be in contact with the first solder; and a reflow step of heating the first solder to be dissolved and connecting the electronic element to the first terminal. The solder disposing step, the element disposing step, and the reflow step are continuously performed.
    Type: Application
    Filed: March 22, 2018
    Publication date: October 4, 2018
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takatoshi SAKAKURA, Hitoki KANAGAWA
  • Publication number: 20170365285
    Abstract: A head stack assembly (HSA) includes: a preamp having first contacts disposed on a first side and second contacts disposed on a second side which is opposite to the first side; a main actuator circuit disposed proximate the first side of the preamp and having Contacts configured to be electrically connected to the first contacts of the preamp; and a flexure/suspension circuit disposed proximate the second side of the preamp and having flexure/suspension circuit contacts configured to be directly electrically connected to the second contacts of the preamp.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 21, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Alex N.E. Cayaban, Hitoki KANAGAWA, Yukimasa KAWATO
  • Publication number: 20170318676
    Abstract: A method for producing a wired circuit board, including an insulating layer having a first through portion passing through in a thickness direction thereof and a first terminal portion having a second through portion overlapped with the first through portion when projected in the thickness direction, includes the steps of providing a first bonding material at one surface in the thickness direction of the first terminal portion and allowing the first bonding material to flow from the one surface in the thickness direction of the first terminal portion toward the other surface in the thickness direction thereof into the second through portion by allowing the first bonding material to flow.
    Type: Application
    Filed: July 17, 2017
    Publication date: November 2, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro TAKANO, Hitoki KANAGAWA, Takatoshi SAKAKURA
  • Patent number: 9693467
    Abstract: A method for producing a suspension board with circuit includes the steps of (7) removing a first electroless plating layer corresponding to a first terminal and/or a second electroless plating layer corresponding to a second terminal by etching, (8) removing a metal supporting board in contact with the lower surface of a first conductive layer filling the inside of a first opening portion, and (9) providing an electrolytic plating layer on the surface of the first terminal with the first electroless plating layer removed and/or the surface of the second terminal with the second electroless plating layer removed and the lower surface of the first conductive layer exposed from the inside of the first opening portion by electrolytic plating supplying electricity from the metal supporting board.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: June 27, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiroyuki Tanabe, Hitoki Kanagawa
  • Patent number: 9686869
    Abstract: A write wiring trace is formed over insulating layer. A coating layer, being directly in contact with at least a first portion of a surface of the write wiring trace, is formed over the insulating layer to cover the write wiring trace. A connection terminal is formed over the insulating layer to be electrically connected to the write wiring trace and exposed from the coating layer.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: June 20, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiroyuki Tanabe, Hitoki Kanagawa
  • Publication number: 20160135296
    Abstract: A method for producing a wired circuit board, including an insulating layer having a first through portion passing through in a thickness direction thereof and a first terminal portion having a second through portion overlapped with the first through portion when projected in the thickness direction, includes the steps of providing a first bonding material at one surface in the thickness direction of the first terminal portion and allowing the first bonding material to flow from the one surface in the thickness direction of the first terminal portion toward the other surface in the thickness direction thereof into the second through portion by allowing the first bonding material to flow.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 12, 2016
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro TAKANO, Hitoki KANAGAWA, Takatoshi SAKAKURA
  • Patent number: 9338888
    Abstract: A wired circuit board includes a wire and a terminal formed continuously to the wire and electrically connected to an electronic element at one surface thereof in a thickness direction. The terminal includes a first contact portion, and a second contact portion provided around the first contact portion to protrude more than the first contact portion toward one side in the thickness direction.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 10, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Saori Kanezaki, Hitoki Kanagawa, Yoshito Fujimura
  • Publication number: 20160035968
    Abstract: A method for producing a suspension board with circuit includes a first step of preparing a suspension board including a metal supporting layer, a base insulating layer disposed at one surface in a thickness direction of the metal supporting layer, and a conductive pattern disposed at one surface in the thickness direction of the base insulating layer and having a terminal portion; a second step of connecting a piezoelectric element to the terminal portion by solder and heating the solder at a temperature of not less than a depolarization temperature allowing polarization of the piezoelectric element to start disappearing; and a third step of applying a voltage to the piezoelectric element so as to repolarize the piezoelectric element connected to the terminal portion.
    Type: Application
    Filed: July 8, 2015
    Publication date: February 4, 2016
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takatoshi SAKAKURA, Hitoki KANAGAWA
  • Publication number: 20150382451
    Abstract: A write wiring trace is formed over insulating layer. A coating layer, being directly in contact with at least a first portion of a surface of the write wiring trace, is formed over the insulating layer to cover the write wiring trace. A connection terminal is formed over the insulating layer to be electrically connected to the write wiring trace and exposed from the coating layer.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 31, 2015
    Inventors: Hiroyuki TANABE, Hitoki KANAGAWA
  • Publication number: 20150156892
    Abstract: A method for producing a suspension board with circuit includes the steps of (7) removing a first electroless plating layer corresponding to a first terminal and/or a second electroless plating layer corresponding to a second terminal by etching, (8) removing a metal supporting board in contact with the lower surface of a first conductive layer filling the inside of a first opening portion, and (9) providing an electrolytic plating layer on the surface of the first terminal with the first electroless plating layer removed and/or the surface of the second terminal with the second electroless plating layer removed and the lower surface of the first conductive layer exposed from the inside of the first opening portion by electrolytic plating supplying electricity from the metal supporting board.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 4, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hiroyuki TANABE, Hitoki KANAGAWA
  • Patent number: 8927870
    Abstract: A suspension board with circuit includes a metal supporting board, an insulating base layer formed on the metal supporting board, a conductive pattern formed on the insulating base layer, an insulating cover layer formed on the insulating base layer so as to cover the conductive pattern, and an insertion portion to be inserted into an E-block. A thickness of the insulating cover layer in the insertion portion is larger than a thickness of the insulating cover layer in a portion other than the insertion portion.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: January 6, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Yasushi Tamura, Ryouji Suezaki, Tetsuya Ohsawa, Hiroyuki Tanabe, Hitoki Kanagawa
  • Patent number: 8913348
    Abstract: A suspension board with circuit includes a metal supporting layer, an insulating base layer formed on the metal supporting layer, a conductive layer formed on the insulating base layer, and a slider supported on the metal supporting layer via a pedestal. The conductive layer includes a conductive overlapping portion which overlaps a plane on which the slider is projected when projected in a thickness direction. The conductive overlapping portion is provided to be spaced apart from the slider.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: December 16, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Naotaka Higuchi, Hitoki Kanagawa, Tadashi Takahashi
  • Patent number: 8872036
    Abstract: A suspension board with circuit includes a metal supporting board, an insulating base layer formed on the metal supporting board, a conductive pattern formed on the insulating base layer, an insulating cover layer formed on the insulating base layer so as to cover the conductive pattern, and an insertion portion to be inserted into an E-block. A thickness of the insulating cover layer in the insertion portion is larger than a thickness of the insulating cover layer in a portion other than the insertion portion.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: October 28, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Yasushi Tamura, Ryouji Suezaki, Tetsuya Ohsawa, Hiroyuki Tanabe, Hitoki Kanagawa
  • Patent number: 8869391
    Abstract: A method for producing a wired circuit board includes the steps of preparing a metal supporting layer, forming an insulating layer on the metal supporting layer so as to form an opening, forming a conductive thin film on the insulating layer and on the metal supporting layer that is exposed from the opening of the insulating layer, heating the conductive thin film, forming a conductive pattern on the conductive thin film that is formed on the insulating layer, and forming a metal connecting portion to be continuous to the conductive pattern on the conductive thin film that is formed on the metal supporting layer exposing from the opening of the insulating layer.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: October 28, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Katsutoshi Kamei, Yuu Sugimoto, Hitoki Kanagawa
  • Patent number: 8835767
    Abstract: A suspension board with circuit includes an insulating base layer and a conductive pattern that is laminated on a top surface of the insulating base layer. The conductive pattern includes a wire and a terminal portion that is connected to the wire for being joined by a melted metal. The insulating base layer, in a projected surface when projected in a laminating direction, includes an adjacent region that is adjacent to the terminal portion and a separated region that is separated from the terminal portion so as to sandwich the adjacent region with the terminal portion. The adjacent region is formed to be thinner than the separated region.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: September 16, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Saori Ishigaki, Hitoki Kanagawa, Yoshito Fujimura
  • Publication number: 20140160599
    Abstract: A suspension board with circuit includes a metal supporting layer, an insulating base layer formed on the metal supporting layer, a conductive layer formed on the insulating base layer, and a slider supported on the metal supporting layer via a pedestal. The conductive layer includes a conductive overlapping portion which overlaps a plane on which the slider is projected when projected in a thickness direction. The conductive overlapping portion is provided to be spaced apart from the slider.
    Type: Application
    Filed: November 21, 2013
    Publication date: June 12, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naotaka HIGUCHI, Hitoki KANAGAWA, Tadashi TAKAHASHI
  • Patent number: 8675313
    Abstract: A suspension board with circuit includes a mounting portion for mounting thereon a slider, a supporting portion for supporting one end portion of the mounting portion, a facing portion facing the mounting portion to be spaced apart therefrom, and a driving portion provided between the mounting portion and the facing portion. The driving portion includes a heater; and an expansive portion which is thermally expanded by heat generated from the heater.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: March 18, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Naotaka Higuchi, Hitoki Kanagawa, Tetsuya Ohsawa, Daisuke Yamauchi
  • Patent number: 8618828
    Abstract: In a connection structure of an electronic component and a wired circuit board, the electronic component includes a plurality of external terminals. The wired circuit board includes a metal supporting board, an insulating base layer formed on the metal supporting board, and a conductive pattern formed on the insulating base layer. The conductive pattern includes a plurality of terminal portions for connection with the plurality of external terminals. The electronic component and the wired circuit board are disposed such that the plurality of external terminals and the plurality of terminal portions face each other. The wired circuit board is bent such that the conductive pattern is warped, and by the reaction force of the warping, the terminal portions and the external terminals are abutted, and the electronic component and the wired circuit board are electrically connected.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: December 31, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Tetsuya Ohsawa, Hitoki Kanagawa
  • Publication number: 20130248233
    Abstract: A wired circuit board includes a wire and a terminal formed continuously to the wire and electrically connected to an electronic element at one surface thereof in a thickness direction. The terminal includes a first contact portion, and a second contact portion provided around the first contact portion to protrude more than the first contact portion toward one side in the thickness direction.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 26, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Saori KANEZAKI, Hitoki KANAGAWA, Yoshito FUJIMURA
  • Patent number: 8460563
    Abstract: A producing method of a wired circuit board includes a laminating step of preparing a metal supporting board, forming an insulating base layer on the metal supporting board, forming a conductive layer including a terminal portion and a plating lead continued from the terminal portion on the insulating base layer, and forming an insulating cover layer on the insulating base layer so as to cover the conductive layer, a first etching step of etching the metal supporting board, and then etching the insulating base layer to expose the plating lead from the metal supporting board and the insulating base layer, and a second etching step of etching the exposed plating lead.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: June 11, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Jun Ishii, Hitoki Kanagawa