Patents by Inventor Masatoshi Enomoto

Masatoshi Enomoto 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: 20200247458
    Abstract: A steering apparatus includes, at a gear housing, a rack bar containing portion movably containing a rack bar configured to turn a turning target wheel and made from a metallic material, and an engagement protrusion portion provided between a bracket portion and a frame of a vehicle. The bracket portion is provided at the rack bar containing portion. The bracket portion is made from a metallic material. The bracket portion includes a cylindrical portion. The bracket portion is coupled with the frame of the vehicle made from a metallic material. The engagement protrusion portion is made from a metallic material having a higher degree of hardness than the metallic material of the bracket portion and the metallic material of the frame of the vehicle, and protrudes toward a vehicle frame side on which the frame of the vehicle is located.
    Type: Application
    Filed: July 11, 2018
    Publication date: August 6, 2020
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masatoshi ENOMOTO, Osamu YOSHIDA
  • Patent number: 10525549
    Abstract: An objective of the present invention is to provide a friction stir welding device with which the temperature in the proximity of a weld part on a member to be welded can be intermittently measured by enabling the temperature of a plurality of sites in a rotary tool (4) used for friction stir welding to be ascertained in real-time when welding. This rotary tool (4) for a friction stir welding device comprises: a hollow channel (26a) that extends from the upper end of a shoulder part (4c) to the proximity of the lower end of a probe (4d), and that is on substantially the same axis as the axis of rotation of the shoulder part (4c); and a hollow, outer periphery channel (26b) that is apart from the axis of rotation of the shoulder part (4c) in the radial direction and in proximity of the outer periphery of the shoulder part (4c), and that extends from the upper end of the shoulder part to the proximity of the lower end thereof.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: January 7, 2020
    Assignee: YAMAMOTO METAL TECHNOS CO., LTD.
    Inventors: Kengo Yamamoto, Taizoh Yamamoto, Masafumi Araki, Shigeru Nakayama, Masatoshi Enomoto
  • Patent number: 10418203
    Abstract: A push switch of the present disclosure has: a resin case that has a recess, a through hole, and a groove; a connection terminal; an upper protection sheet; and a lower protection sheet. The through hole penetrates from a bottom part of the recess to a lower surface of the resin case, and the groove is provided on the lower surface of the resin case. The through hole and the groove are connected to each other, and the through hole overlaps with the lower protection sheet in plan view. The groove has a first area and a second area, and of the first area and the second area, only the first area overlaps with the lower protection sheet in plan view.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: September 17, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masatoshi Enomoto, Tomoki Kuroyabu
  • Publication number: 20190077445
    Abstract: Provided is a power steering apparatus capable of improving accuracy of relative positions of a first circulation member and a second circulation member. A tube 23 includes a first first-tube-side abutment portion 40 and a second second-tube-side abutment portion 51, and a second first-tube-side abutment portion 41 and a first second-tube-side abutment portion 51, which are configured to restrict relative positions of a first tube 31 and a second tube 32 in a circumferential direction relative to a nut 8.
    Type: Application
    Filed: February 17, 2017
    Publication date: March 14, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Osamu YOSHIDA, Masatoshi ENOMOTO
  • Publication number: 20180366282
    Abstract: A push switch of the present disclosure has: a resin case that has a recess, a through hole, and a groove; a connection terminal; an upper protection sheet; and a lower protection sheet. The through hole penetrates from a bottom part of the recess to a lower surface of the resin case, and the groove is provided on the lower surface of the resin case. The through hole and the groove are connected to each other, and the through hole overlaps with the lower protection sheet in plan view. The groove has a first area and a second area, and of the first area and the second area, only the first area overlaps with the lower protection sheet in plan view.
    Type: Application
    Filed: February 7, 2017
    Publication date: December 20, 2018
    Inventors: MASATOSHI ENOMOTO, TOMOKI KUROYABU
  • Publication number: 20180243873
    Abstract: Provided is a temperature measurement device for a rotating member of a processing device that grips a rotating member made from a metal and capable of rotating around a rotational axis, and moves in coordination with and coaxially rotates with the rotating member. This temperature measurement device is equipped with: an ideal temperature setting means for setting an ideal temperature while the rotating member is rotating; a temperature measurement means for measuring an actual temperature while the rotating member is rotating; and a detection means for detecting whether or not the difference between the actual temperature measured by the temperature measurement means and the ideal temperature set by the ideal temperature setting means exceeds a pre-set threshold at the time the actual temperature is measured.
    Type: Application
    Filed: February 25, 2016
    Publication date: August 30, 2018
    Inventors: Kengo YAMAMOTO, Taizoh YAMAMOTO, Masatoshi SHINDO, Masafumi ARAKI, Masatoshi ENOMOTO
  • Publication number: 20180021882
    Abstract: An objective of the present invention is to provide a friction stir welding device with which the temperature in the proximity of a weld part on a member to be welded can be intermittently measured by enabling the temperature of a plurality of sites in a rotary tool (4) used for friction stir welding to be ascertained in real-time when welding. This rotary tool (4) for a friction stir welding device comprises: a hollow channel (26a) that extends from the upper end of a shoulder part (4c) to the proximity of the lower end of a probe (4d), and that is on substantially the same axis as the axis of rotation of the shoulder part (4c); and a hollow, outer periphery channel (26b) that is apart from the axis of rotation of the shoulder part (4c) in the radial direction and in proximity of the outer periphery of the shoulder part (4c), and that extends from the upper end of the shoulder part to the proximity of the lower end thereof.
    Type: Application
    Filed: January 7, 2016
    Publication date: January 25, 2018
    Inventors: Kengo YAMAMOTO, Taizoh YAMAMOTO, Masafumi ARAKI, Shigeru NAKAYAMA, Masatoshi ENOMOTO
  • Publication number: 20140110237
    Abstract: A push switch comprises a first stationary contact, a second stationary contact disposed apart from the first stationary contact, and a movable contact unit confronting the first stationary contact with a space therebetween. The movable contact unit includes a center portion and a surrounding portion, the center portion has a dome-like shape, and the surrounding portion is formed in a peripheral region of the center portion.
    Type: Application
    Filed: October 10, 2013
    Publication date: April 24, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Masatoshi ENOMOTO, Yuki HIRATA
  • Patent number: 8466872
    Abstract: An input apparatus includes a case, an operation body stored rotatably in the case, a magnetic body fixed to the operation body, a magnet provided around the operation body, a magnetic detection element for detecting a magnetic flux from the magnetic body, and a frame for retaining the case. The magnetic detection element faces the operation body with a predetermined space therebetween. The frame includes depression sections for causing the magnetic detection element to elastically contact the lower surface of the case. This input apparatus can accurately detect a rotation angle.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: June 18, 2013
    Assignee: Panasonic Corporation
    Inventors: Masatoshi Enomoto, Tamotsu Yamamoto, Kenji Nishimura
  • Patent number: 8266918
    Abstract: A Rankine cycle system has a condenser, a refrigerant circulating pump connected to the condenser, a heat collecting device connected to the refrigerant circulating pump, and an expansion turbine connected to the heat collecting device and the condenser. The refrigerant circulating pump includes an expansion tank or pressure vessel, a refrigerant supply conduit connected to the lower part of the expansion tank and to the condenser, and a refrigerant discharge conduit connected to the upper part of the expansion tank. An open/close valve is installed in the refrigerant supply conduit. A pressure regulating valve installed in the refrigerant discharge pipe opens when a pressure reaches a specified value or higher. A temperature regulating device can heat the refrigerant in the expansion tank to produce a refrigerant vapor of saturated temperature or higher, which vapor can be introduced into the heat collecting device.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: September 18, 2012
    Assignees: Mayekawa Mfg. Co., Ltd., The Doshisha, Showa Denko K.K., Showa Denko Gas Products Co., Ltd., Yoshimura Construction Co., Ltd.
    Inventors: Hiroshi Yamaguchi, Katsumi Fujima, Masatoshi Enomoto, Noboru Sawada
  • Publication number: 20110163960
    Abstract: An input apparatus includes a case, an operation body stored rotatably in the case, a magnetic body fixed to the operation body, a magnet provided around the operation body, a magnetic detection element for detecting a magnetic flux from the magnetic body, and a frame for retaining the case. The magnetic detection element faces the operation body with a predetermined space therebetween. The frame includes depression sections for causing the magnetic detection element to elastically contact the lower surface of the case. This input apparatus can accurately detect a rotation angle.
    Type: Application
    Filed: December 16, 2010
    Publication date: July 7, 2011
    Applicant: Panasonic Corporation
    Inventors: Masatoshi Enomoto, Tamotsu Yamamoto, Kenji Nishimura
  • Publication number: 20110023965
    Abstract: A method of controlling a regulating hole for regulating an amount of light, a flow rate of fluid, a pressure of fluid passing through a tubular passage is provided. A partition wall 5 formed by a viscoelastic solid containing magnetic particles is transversely disposed in the tubular passage 3 through which light or fluid passes. The partition wall 5 is provided with a regulating hole 6 for regulating an amount of the light, a flow rate of the fluid, or a pressure of the fluid so that the regulating hole 6 penetrates in an axial direction. Magnetic field gradient is generated the partition wall 5 in a radial direction in the tubular passage 3 to thereby change an opening degree of the regulating hole 6.
    Type: Application
    Filed: April 11, 2007
    Publication date: February 3, 2011
    Applicants: SHOWA DENKO K.K., THE DOSHISHA
    Inventors: Hiroshi Yamaguchi, Masatoshi Enomoto
  • Publication number: 20090277198
    Abstract: A Rankine cycle system has a condenser, a refrigerant circulating pump connected to the condenser, a heat collecting device connected to the refrigerant circulating pump, and an expansion turbine connected to the heat collecting device and the condenser. The refrigerant circulating pump includes an expansion tank or pressure vessel, a refrigerant supply conduit connected to the lower part of the expansion tank and to the condenser, and a refrigerant discharge conduit connected to the upper part of the expansion tank. An open/close valve is installed in the refrigerant supply conduit. A pressure regulating valve installed in the refrigerant discharge pipe opens when a pressure reaches a specified value or higher. A temperature regulating device can heat the refrigerant in the expansion tank to produce a refrigerant vapor of saturated temperature or higher, which vapor can be introduced into the heat collecting device.
    Type: Application
    Filed: April 28, 2009
    Publication date: November 12, 2009
    Applicants: THE DOSHISHA, MAYEKAWA MFG., CO., LTD., SHOWA DENKO K.K., SHOWA TANSAN CO., LTD., YOSHIMURA CONSTRUCTION CO., LTD.
    Inventors: Hiroshi YAMAGUCHI, Katsumi FUJIMA, Masatoshi ENOMOTO, Noboru SAWADA
  • Patent number: 7530235
    Abstract: A Rankine cycle system has a condenser, a heat pump connected to the condenser, a heat collecting device connected to the heat pump, and an expansion turbine connected to the heat collecting device and the condenser. The heat pump includes an expansion tank or closed vessel, a refrigerant supply conduit connected to the lower part of the expansion tank and to the condenser, and a refrigerant discharge conduit connected to the upper part of the expansion tank. An open/close valve is installed in the refrigerant supply conduit. A pressure regulating valve installed in the refrigerant discharge pipe opens when a pressure reaches a specified value or higher. A temperature regulating device can heat the refrigerant in the expansion tank to produce a refrigerant vapor of saturated temperature or higher, which vapor can be introduced into the heat collecting device.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: May 12, 2009
    Assignees: The Doshisha, Mayekawa Mfg. Co. Ltd., Showa Denko K.K., Showa Tansan Co., Ltd., Yoshimura Construction Co., Ltd.
    Inventors: Hiroshi Yamaguchi, Katsumi Fujima, Masatoshi Enomoto, Noboru Sawada
  • Publication number: 20070199323
    Abstract: A Rankine cycle system has a condenser, a heat pump connected to the condenser, a heat collecting device connected to the heat pump, and an expansion turbine connected to the heat collecting device and the condenser. The heat pump includes an expansion tank or closed vessel, a refrigerant supply conduit connected to the lower part of the expansion tank and to the condenser, and a refrigerant discharge conduit connected to the upper part of the expansion tank. An open/close valve is installed in the refrigerant supply conduit. A pressure regulating valve installed in the refrigerant discharge pipe opens when a pressure reaches a specified value or higher. A temperature regulating device can heat the refrigerant in the expansion tank to produce a refrigerant vapor of saturated temperature or higher, which vapor can be introduced into the heat collecting device.
    Type: Application
    Filed: March 15, 2007
    Publication date: August 30, 2007
    Applicants: THE DOSHISHA, MAYEKAWA MFG. CO., LTD., SHOWA DENKO K. K., SHOWA TANSAN CO., LTD., YOSHIMURA CONSTRUCTION CO., LTD.
    Inventors: Hiroshi YAMAGUCHI, Katsumi FUJIMA, Masatoshi ENOMOTO, Noboru SAWADA
  • Publication number: 20040013805
    Abstract: The present invention relates to a method of processing an article to be processed so as to cause the article to create rainbow color and a method of manufacturing an article made of aluminum or its alloy which presents rainbow-colored reflective luster. An aluminum plate is prepared as a substrate (2) of an article (1) to be processed. A nickel-phosphorus alloy deposit (3) is formed on the surface of this aluminum substrate (2) by an electroless plating method. Subsequently, this article is heat-treated at the temperature of 150 to 600° C. for 5 seconds to 1 hour in an air atmosphere. Subsequently, pulsed laser light (10) is irradiated onto the surface of the deposit (3). Be performing the aforementioned steps, diffraction gratings (5) which present beautiful rainbow-colored reflective luster can be assuredly formed in the surface of article (1). Furthermore, the processing speed can be further increased.
    Type: Application
    Filed: August 4, 2003
    Publication date: January 22, 2004
    Inventors: Itsuo Nagata, Shigetoshi Jogan, Masatoshi Enomoto
  • Patent number: 6510975
    Abstract: The joining tool according to the present invention is provided with a rotor and a probe having a diameter smaller than a diameter of the rotor. The probe is protruded from a part of an end face of the rotor. A groove is formed at least on a middle portion of a peripheral surface of the probe so as to extend in the axial direction of the probe. The probe is provided with an agitating protrusion formed only on a region of from the basal end portion of the probe to a longitudinal middle portion. In a friction agitation joining method according to the present invention, the rotating probe of the aforementioned joining tool inserted into stacked joining members such that the groove crosses a superposed interface between the joining members and that the protrusion is buried only in one of the joining members located at a probe basal end side. While keeping this state, the probe is moved relative to the joining members to thereby join the joining members.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: January 28, 2003
    Assignee: Showa Denko K.K.
    Inventor: Masatoshi Enomoto
  • Patent number: 6470726
    Abstract: An extruded article which has at least one hollow portion and changes in cross-section along a direction of an extrusion axis is manufactured by the method. The method includes the step of advancing a punch to extrude a billet while controlling a movement of a mandrel for defining an inner periphery of the hollow portion relative to a die for defining an outer periphery of the extruded article.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: October 29, 2002
    Assignee: Showa Denko, K.K.
    Inventors: Makoto Murata, Koji Hasegawa, Masatoshi Enomoto
  • Patent number: 6344117
    Abstract: A backing plate 1 for sputtering is constituted by a base portion 2 comprising a plate member made of aluminum or its alloy, a surface of which is attached with a target T of an ITO sintered body or the like and a cooling portion 3 in a flat plate shape having a cooling medium flow path 6 at an inner portion thereof. Further, the cooling portion 3 is integrally attached to a rear face of the base 2 by friction agitation bonding. The cooling portion 3 comprises a roll bond panel 4 made of aluminum or its alloy and inner hollow portions of bulged pipe portions 5 constitute the cooling medium flow path 6. Thereby, a backing plate which is light-weighted and has high cooling efficiency can be provided.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: February 5, 2002
    Assignee: Showa Denko K.K.
    Inventors: Masatoshi Enomoto, Seiji Tasaki, Naoyuki Kawata, Takenori Hashimoto
  • Publication number: 20020011510
    Abstract: The joining tool according to the present invention is provided with a rotor and a probe having a diameter smaller than a diameter of the rotor. The probe is protruded from a part of an end face of the rotor. A groove is formed at least on a middle portion of a peripheral surface of the probe so as to extend in the axial direction of the probe. The probe is provided with an agitating protrusion formed only on a region of from the basal end portion of the probe to a longitudinal middle portion. In a friction agitation joining method according to the present invention, the rotating probe of the aforementioned joining tool inserted into stacked joining members such that the groove crosses a superposed interface between the joining members and that the protrusion is buried only in one of the joining members located at a probe basal end side. While keeping this state, the probe is moved relative to the joining members to thereby join the joining members.
    Type: Application
    Filed: May 29, 2001
    Publication date: January 31, 2002
    Applicant: Showa Denko K.K.
    Inventor: Masatoshi Enomoto