Patents by Inventor Masayuki Iwase

Masayuki Iwase 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: 11786162
    Abstract: Provided is an electrode sheet allowing easy connection of a wiring that is extended, when required, to a measurement position on a living body. The electrode sheet (main sheet (1), auxiliary sheet (10)) includes a sheet-shaped flexible substrate (2, 11), wirings (3, 12) formed on the flexible substrate (2, 11), electrodes (5, 14) formed on the flexible substrate (2, 11) and electrically connected to the wirings (3, 12), and an insulating layer (4, 13) laid on the flexible substrate (2, 11) in such a manner that the wirings (3, 12) are overlaid with the insulating layer (4, 13) while the electrodes (5, 14) are exposed. The electrodes (5, 14) are formed of a conductive material in which conductive particles are dispersed in a thermoplastic resin.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: October 17, 2023
    Assignees: Osaka University, Nippon Mektron, Ltd.
    Inventors: Tsuyoshi Sekitani, Takafumi Uemura, Teppei Araki, Shusuke Yoshimoto, Masayuki Iwase, Akio Yoshida, Hideki Satake
  • Patent number: 11606859
    Abstract: A stretchable circuit board includes a stretchable base material; a stretchable conductive pattern formed on at least one main surface of the stretchable base material and having stretchability; and a reinforcing base having higher rigidity than the stretchable base material, wherein the reinforcing base reinforces the stretchable base material by being directly or indirectly laminated on the stretchable base material so as to surround at least a part of a formation region of the stretchable conductive pattern in the stretchable base material in a plan view.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: March 14, 2023
    Assignee: NIPPON MEKTRON, LTD.
    Inventor: Masayuki Iwase
  • Publication number: 20220201849
    Abstract: A stretchable circuit board includes a stretchable base material; a stretchable conductive pattern formed on at least one main surface of the stretchable base material and having stretchability; and a reinforcing base having higher rigidity than the stretchable base material, wherein the reinforcing base reinforces the stretchable base material by being directly or indirectly laminated on the stretchable base material so as to surround at least a part of a formation region of the stretchable conductive pattern in the stretchable base material in a plan view.
    Type: Application
    Filed: September 7, 2021
    Publication date: June 23, 2022
    Applicant: NIPPON MEKTRON, LTD.
    Inventor: Masayuki IWASE
  • Patent number: 11140833
    Abstract: A drive manipulation member is configured to be allowed to move to a drive position when an interlock member is at a first position and to be prohibited from moving to the drive position when the interlock member is at a second position. The drive manipulation member is supported rotatably about an axis with respect to the second housing, and is provided with first and second portions extending from the axis in different directions. The first portion is configured to be manipulated by the user. The second portion is provided with a switch operation portion configured to operate a switching unit and an interlock engaging portion configured to engage with or contact with the interlock member. The switch operation portion and the interlock engaging portion are located at different positions from each other in a direction parallel to the axis.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: October 12, 2021
    Assignee: MAKITA CORPORATION
    Inventor: Masayuki Iwase
  • Patent number: 11005211
    Abstract: A method for manufacturing a cable with a connector is provided. In the method, a contact is attached to a reinforcing wire. The reinforcing wire to which the contact is attached is inserted into an insertion portion of a housing. The housing is connected to one end of a cable. The reinforcing wire is secured to the cable by a securing member.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: May 11, 2021
    Assignee: Tokyo Electron Limited
    Inventor: Masayuki Iwase
  • Publication number: 20200291274
    Abstract: To provide an adhesive sheet, the sheet increasing manufacturing efficiency of products including an adhesive agent layer, while using the adhesive agent layer to which an electro-conductive organic polymer compound is added. An adhesive sheet for use in applying a wiring board to a surface onto which the wiring board is to be applied, the adhesive sheet is constituted by an adhesive agent layer including an electro-conductive organic polymer compound and an adhesive material; a first releasing sheet provided on front surface of the adhesive agent layer; and a second releasing sheet provided on a back surface corresponding to a back surface of the front surface in the adhesive agent layer.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Inventors: Masayuki IWASE, Teppei ARAKI, Tsuyoshi SEKITANI, Shusuke YOSHIMOTO
  • Publication number: 20200136304
    Abstract: A method for manufacturing a cable with a connector is provided. In the method, a contact is attached to a reinforcing wire. The reinforcing wire to which the contact is attached is inserted into an insertion portion of a housing. The housing is connected to one end of a cable. The reinforcing wire is secured to the cable by a securing member.
    Type: Application
    Filed: September 5, 2019
    Publication date: April 30, 2020
    Inventor: Masayuki IWASE
  • Patent number: 10595402
    Abstract: Provided is a stretchable circuit board including: a stretchable base material having stretchability; a film base material overlapping with part of a one-surface-side surface of the stretchable base material and having lower stretchability than that of the stretchable base material; a stretchable wiring line formed on the one-surface-side surface of the stretchable base material; and an adhesive layer formed on one surface side or the other surface side of the stretchable base material. The adhesive layer is formed on both of an overlapping region where the stretchable base material overlaps with the film base material and a non-overlapping region where the stretchable base material does not overlap with the film base material.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: March 17, 2020
    Assignee: NIPPON MEKTRON, LTD.
    Inventor: Masayuki Iwase
  • Patent number: 10499497
    Abstract: Provided is a stretchable circuit board including: a stretchable base material having stretchability and including a stretchable wiring line on one main surface; an electrode formed on at least the main surface of the stretchable base material and connected to the stretchable wiring line; an adhesive layer directly or indirectly bonded to the main surface on which the electrode is formed and formed in a region of the main surface other than an electrode region including the electrode; and an adhesive layer separator detachably bonded to the adhesive layer and having an opening formed at a position corresponding to at least part of the electrode region.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: December 3, 2019
    Assignee: NIPPON MEKTRON, LTD.
    Inventor: Masayuki Iwase
  • Patent number: 10398024
    Abstract: The stretchable circuit board (100) includes: a stretchable base (10); a stretchable wiring portion (20) formed on the stretchable base (10); a reinforcement base (30) having in-plane rigidity higher than that of the stretchable base (10); a draw-out wiring portion (40) formed on the reinforcement base (30), and electrically continuous with the stretchable wiring portion (20); and an elastomer layer (50) formed on the reinforcement base (30). The reinforcement base (30) overlaps with a partial area (10a) of the stretchable base (10). An other area (10b) of the stretchable base (10) is exposed from the reinforcement base (30). The stretchable wiring portion (20) extends on the other area (10b) and over the partial area (10a). The elastomer layer (50) and the stretchable base (10) are layered and joined with each other.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: August 27, 2019
    Assignee: NIPPON MEKTRON, LTD.
    Inventors: Masayuki Iwase, Takeo Wakabayashi, Eiji Mizuno
  • Publication number: 20190239445
    Abstract: A drive manipulation member is configured to be allowed to move to a drive position when an interlock member is at a first position and to be prohibited from moving to the drive position when the interlock member is at a second position. The drive manipulation member is supported rotatably about an axis with respect to the second housing, and is provided with first and second portions extending from the axis in different directions. The first portion is configured to be manipulated by the user. The second portion is provided with a switch operation portion configured to operate a switching unit and an interlock engaging portion configured to engage with or contact with the interlock member. The switch operation portion and the interlock engaging portion are located at different positions from each other in a direction parallel to the axis.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 8, 2019
    Applicant: MAKITA CORPORATION
    Inventor: Masayuki IWASE
  • Patent number: 10359326
    Abstract: This invention provides a pressure sensitive element capable of suppressing dispersion in the initial load for pressure sensing among the sensor electrodes or among the pressure sensors. The pressure sensitive element has a support substrate, a sensor electrode, a pressure sensing film and an insulating layer. The pressure sensing film is arranged opposing to the sensor electrode. The insulating layer has an opening and is provided between the support substrate and the pressure sensing film. At least a part of an opening edge of the opening is fallen on the sensor electrode. An exposed part as a part of the sensor electrode is exposed inside the opening, while leaving a buried part as the other part of the sensor electrode buried under the insulating layer.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: July 23, 2019
    Assignee: NIPPON MEKTRON, LTD.
    Inventors: Ryoichi Toyoshima, Keizo Toyama, Hirokazu Ohdate, Masayuki Iwase
  • Publication number: 20190216352
    Abstract: Provided is an electrode sheet allowing easy connection of a wiring that is extended, when required, to a measurement position on a living body. The electrode sheet (main sheet (1), auxiliary sheet (10)) includes a sheet-shaped flexible substrate (2, 11), wirings (3, 12) formed on the flexible substrate (2, 11), electrodes (5, 14) formed on the flexible substrate (2, 11) and electrically connected to the wirings (3, 12), and an insulating layer (4, 13) laid on the flexible substrate (2, 11) in such a manner that the wirings (3, 12) are overlaid with the insulating layer (4, 13) while the electrodes (5, 14) are exposed. The electrodes (5, 14) are formed of a conductive material in which conductive particles are dispersed in a thermoplastic resin.
    Type: Application
    Filed: August 17, 2017
    Publication date: July 18, 2019
    Inventors: Tsuyoshi SEKITANI, Takafumi UEMURA, Teppei ARAKI, Shusuke YOSHIMOTO, Masayuki IWASE, Akio YOSHIDA, Hideki SATAKE
  • Publication number: 20190166689
    Abstract: Provided is a stretchable circuit board including: a stretchable base material having stretchability and including a stretchable wiring line on one main surface; an electrode formed on at least the main surface of the stretchable base material and connected to the stretchable wiring line; an adhesive layer directly or indirectly bonded to the main surface on which the electrode is formed and formed in a region of the main surface other than an electrode region including the electrode; and an adhesive layer separator detachably bonded to the adhesive layer and having an opening formed at a position corresponding to at least part of the electrode region.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 30, 2019
    Applicant: NIPPON MEKTRON, LTD.
    Inventor: Masayuki IWASE
  • Publication number: 20190166688
    Abstract: Provided is a stretchable circuit board including: a stretchable base material having stretchability; a film base material overlapping with part of a one-surface-side surface of the stretchable base material and having lower stretchability than that of the stretchable base material; a stretchable wiring line formed on the one-surface-side surface of the stretchable base material; and an adhesive layer formed on one surface side or the other surface side of the stretchable base material. The adhesive layer is formed on both of an overlapping region where the stretchable base material overlaps with the film base material and a non-overlapping region where the stretchable base material does not overlap with the film base material.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 30, 2019
    Applicant: NIPPON MEKTRON, LTD.
    Inventor: Masayuki IWASE
  • Patent number: 10194527
    Abstract: [Problem] Provided is a method for manufacturing a stretchable circuit board, which can facilitate positioning of an external terminal and a stretchable wiring, and increase manufacturing yield of a stretchable circuit board. [Solving Mean] A stretchable circuit board is manufactured through: a step in which an external terminal 31 is formed on a main surface 33b located on one side of a film base 33; a step in which a stretchable wiring portion 55 is formed on a main surface 53a located on one side of a stretchable base 53; and a step in which the stretchable wiring portion 55 is positioned with the external terminal 31, and pressure and heat are applied to the film base 33 and the stretchable wiring portion 55 to join them, whereby the external terminal 31 and the stretchable wiring portion 55 are connected with each other.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: January 29, 2019
    Assignee: NIPPON MEKTRON, LTD.
    Inventor: Masayuki Iwase
  • Patent number: 10076025
    Abstract: A stretchable circuit board includes plural stretchable bases, and plural stretchable wiring portions, at least one of which is provided on each of main surfaces, facing each other, of the plural stretchable bases, in which the stretchable wiring portions provided on the main surfaces are electrically continuous with each other through a connecting portion.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: September 11, 2018
    Assignee: NIPPON MEKTRON, LTD.
    Inventor: Masayuki Iwase
  • Patent number: 10048141
    Abstract: Provided is a pressure sensing element configured to be flexible, and capable of demonstrating a stable electrical reliability over a long period; and, a pressure sensor having such pressure sensing element. A pressure sensing element (100) has an electro-conductive pressure sensing film (14), a sensor electrode (12) provided at a position faced to the pressure sensing film (14), and an insulating layer (13) which creates a predetermined distance “A” between the pressure sensing film (14) and the sensor electrode (12) so as to keep them apart from each other, the pressure sensing film (14) being a resin film containing carbon particles (140); and, a pressure sensor (200) has the pressure sensing element (100), and a detection unit (210) which is electrically connected with the pressure sensing element (100) so as to detect contact resistance between the pressure sensing film (14) and the sensor electrode (12).
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: August 14, 2018
    Assignee: NIPPON MEKTRON, LTD.
    Inventors: Masayuki Iwase, Keizo Toyama, Kazuyuki Ozaki, Hirokazu Ohdate, Taisuke Kimura, Ryoichi Toyoshima
  • Patent number: 10034370
    Abstract: A stretchable circuit board includes: a stretchable portion 50 that includes a stretchable base 53 haying stretchability and a stretchable wiring 55 formed on a first main surface 53a of the stretchable base 53 and having stretchability; and a non-stretchable portion 30 that includes a base substrate 34 having stretchability lower than that of the stretchable base 53 and a draw-out wiring 35 formed on a main surface 32b of the base substrate 34, in which the main surface 53a of the stretchable portion 53 and the main surface 32b of the base substrate 34 are joined with each other, and the stretchable wiring 55 and the draw-out wiring 35 are electrically connected with each other. In addition, the main surface 32b of the base substrate has a rough surface with projections and depressions.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 24, 2018
    Assignee: NIPPON MEKTRON, LTD.
    Inventors: Masayuki Iwase, Keizo Toyama
  • Patent number: 9961766
    Abstract: A stretchable circuit board includes a stretchable base, a stretchable wiring portion, a reinforcement base having in-plane rigidity higher than that of the stretchable base, and a draw-out wiring portion. The stretchable wiring portion having stretchability is formed on a main surface located on at least one side of the stretchable base. The draw-out wiring portion is formed at least on a main surface that is one side of the reinforcement base. The main surface of the reinforcement base is overlaid with a part of an area where the stretchable wiring portion is formed, in which the main surface faces the main surface of the stretchable base. A part of the stretchable wiring portion and a part of the draw-out wiring portion are joined together, and they are electrically continuous.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 1, 2018
    Assignee: NIPPON MEKTRON, LTD.
    Inventor: Masayuki Iwase