Patents by Inventor Yohei Hama

Yohei Hama 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: 9459165
    Abstract: A sensor unit includes a collector and a sensor housing. The collector faces a stator guiding a magnetic flux, with a void between the collector and the stator, and collectively attracts the magnetic flux guided by the stator. The sensor housing has a wall covering outside of the collector, and holds the collector. A clearance is formed between an opposite surface of the collector to a surface thereof facing the stator, and the wall of the sensor housing.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: October 4, 2016
    Assignee: SHOWA CORPORATION
    Inventors: Yohei Hama, Hiroyuki Muto, Kiyokazu Okado
  • Publication number: 20150276519
    Abstract: A sensor unit includes a collector and a sensor housing. The collector faces a stator guiding a magnetic flux, with a void between the collector and the stator, and collectively attracts the magnetic flux guided by the stator. The sensor housing has a wall covering outside of the collector, and holds the collector. A clearance is formed between an opposite surface of the collector to a surface thereof facing the stator, and the wall of the sensor housing.
    Type: Application
    Filed: October 22, 2014
    Publication date: October 1, 2015
    Applicant: SHOWA CORPORATION
    Inventors: Yohei HAMA, Hiroyuki MUTO, Kiyokazu OKADO
  • Patent number: 8901922
    Abstract: A relative angle sensing device that senses a relative rotation angle between first and second rotary shafts includes: a rotary component that is provided on one rotary shaft out of the first rotary shaft and the second rotary shaft, and that rotates together with the one rotary shaft; a supported component that generates a magnetic field and that is supported by the rotary component through an adhesive material; and a sensor that is provided in the other rotary shaft out of the first rotary shaft and the second rotary shaft, and that outputs a value corresponding to the magnetic field generated by the supported component. A transmitting unit is provided between the rotary component and the supported component. The transmitting unit transmits rotative force of the one rotary shaft to the supported component by direct contact with each other in a case of peeling of the adhesive material.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: December 2, 2014
    Assignee: Showa Corporation
    Inventors: Yusuke Hamaguchi, Yohei Hama
  • Patent number: 8896296
    Abstract: A hinged electric cable harness component is provided for use with a relative angle sensing device that has a sensor that is contained in a housing that includes a communication hole. The hinged electric cable harness component includes an electric cable holding member that is fitted with the communication hole of the housing and holds an electric cable. The hinged electric cable harness component also includes an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing, and that has, at inside thereof, a penetration hole through which the electric cable passes. The outer component has a pair of opening and closing components that is joined by a hinge and opens and closes the penetration hole by relative rotation.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: November 25, 2014
    Assignee: Showa Corporation
    Inventors: Yusuke Hamaguchi, Yohei Hama
  • Publication number: 20140316303
    Abstract: Provided is a method for creating a color scale that can be used as more objective assessment criteria used for the evaluation of the masticatory force by a color-changeable chewing gum by analyzing the characteristics of the color change in the gum along with the progress in mastication in people having toothed jaws. A method for creating a color scale, comprising having a plurality of people having toothed jaws masticate color-changeable chewing gums, obtaining a regression equation for the color presented by the masticated gum and the color difference between the gum before and the gum after mastication, and further, obtaining a regression equation for the number of times of mastication and the color difference between the gum before and the gum after mastication, to thereby obtain the number of times of mastication performed by the people having toothed jaws and the color difference in the color presented by the masticated gum.
    Type: Application
    Filed: October 24, 2012
    Publication date: October 23, 2014
    Inventors: Makoto Sato, Takumi Tokumoto, Yasutaka Hiraoka, Ryota Sasaki, Daigo Sugita, Shunsuke Minakuchi, Tatsuro Uchida, Manabu Kanazawa, Yohei Hama
  • Patent number: 8726530
    Abstract: A relative angle sensing device is provided with: a sensor that is contained in a housing in which a communication hole communicating inside and outside is formed, and outputs an electric signal according to a relative rotation angle between two rotary shafts coaxially arranged; an electric cable that transmits the electric signal outputted from the sensor to a device arranged at outside of the housing; an electric cable holding member that is fitted with the communication hole of the housing and that holds the electric cable; and an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing. The outer component is provided with an introducing part that introduces the electric cable into inside thereof, and a plurality of exiting parts that make the electric cable having been introduced through the introducing part exit to outside in different directions.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: May 20, 2014
    Assignee: Showa Corporation
    Inventor: Yohei Hama
  • Patent number: 8578616
    Abstract: A relative angle sensing device includes: a sensor contained in a housing provided with a communication hole and outputting an electric signal corresponding to a relative rotation angle between two rotary shafts coaxially arranged; an electric cable transmitting the electric signal to a device arranged outside of the housing; an electric cable holding member fitted with the communication hole and holding the electric cable; and an external member arranged at a location outer than the electric cable holding member, wherein the external member includes a pair of dividable members dividable in a direction intersecting a hole direction of the communication hole, and the external member passes the electric cable within the pair of dividable members and presses the electric cable with the pair of dividable members to change a direction of the electric cable at the outside of the housing into the direction intersecting the hole direction.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: November 12, 2013
    Assignee: Showa Corporation
    Inventors: Yusuke Hamaguchi, Yohei Hama, Koichi Hata
  • Publication number: 20130168125
    Abstract: A relative angle sensing device is provided with: a sensor that is contained in a housing in which a communication hole communicating inside and outside is formed, and outputs an electric signal according to a relative rotation angle between two rotary shafts coaxially arranged; an electric cable that transmits the electric signal outputted from the sensor to a device arranged at outside of the housing; an electric cable holding member that is fitted with the communication hole of the housing and that holds the electric cable; and an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing. The outer component is provided with an introducing part that introduces the electric cable into inside thereof, and a plurality of exiting parts that make the electric cable having been introduced through the introducing part exit to outside in different directions.
    Type: Application
    Filed: June 13, 2012
    Publication date: July 4, 2013
    Applicant: Showa Corporation
    Inventor: Yohei Hama
  • Publication number: 20130134966
    Abstract: A relative angle sensing device is provided with: a sensor that is contained in a housing in which a communication hole communicating inside and outside is formed, and outputs an electric signal according to relative rotation angle between two rotary shafts coaxially arranged; an electric cable that transmits the electric signal outputted from the sensor to an apparatus arranged at outside of the housing; an electric cable holding member that is fitted with the communication hole of the housing and holds the electric cable; and an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing, and that has, at inside thereof, a penetration hole through which the electric cable passes. The outer component has a pair of opening and closing components that is joined by a hinge and opens and closes the penetration hole by relative rotation.
    Type: Application
    Filed: June 4, 2012
    Publication date: May 30, 2013
    Applicant: Showa Corporation
    Inventors: Yusuke Hamaguchi, Yohei Hama
  • Publication number: 20130063136
    Abstract: A relative angle sensing device that senses a relative rotation angle between first and second rotary shafts includes: a rotary component that is provided on one rotary shaft out of the first rotary shaft and the second rotary shaft, and that rotates together with the one rotary shaft; a supported component that generates a magnetic field and that is supported by the rotary component through an adhesive material; and a sensor that is provided in the other rotary shaft out of the first rotary shaft and the second rotary shaft, and that outputs a value corresponding to the magnetic field generated by the supported component. A transmitting unit is provided between the rotary component and the supported component. The transmitting unit transmits rotative force of the one rotary shaft to the supported component by direct contact with each other in a case of peeling of the adhesive material.
    Type: Application
    Filed: March 12, 2012
    Publication date: March 14, 2013
    Applicant: Showa Corporation
    Inventors: Yusuke HAMAGUCHI, Yohei Hama
  • Publication number: 20120297634
    Abstract: A relative angle sensing device includes: a sensor contained in a housing provided with a communication hole and outputting an electric signal corresponding to a relative rotation angle between two rotary shafts coaxially arranged; an electric cable transmitting the electric signal to a device arranged outside of the housing; an electric cable holding member fitted with the communication hole and holding the electric cable; and an external member arranged at a location outer than the electric cable holding member, wherein the external member includes a pair of dividable members dividable in a direction intersecting a hole direction of the communication hole, and the external member passes the electric cable within the pair of dividable members and presses the electric cable with the pair of dividable members to change a direction of the electric cable at the outside of the housing into the direction intersecting the hole direction.
    Type: Application
    Filed: May 14, 2012
    Publication date: November 29, 2012
    Applicant: Showa Corporation
    Inventors: Yusuke Hamaguchi, Yohei Hama, Koichi Hata
  • Patent number: 6949860
    Abstract: In an electric motor in which a magnet holder is provided in an inner periphery of a yoke, and a terminal insertion hole is provided in a feed connector provided in a brush holder. A terminal connected to a brush is inserted to the terminal insertion hole, and the yoke and the brush holder are connected. An engagement portion is provided in the terminal, a convex portion is provided in an end surface of the magnet holder, and the convex portion of the magnet holder is allowed to be engaged with the engagement portion of the terminal under a state in which the yoke and the brush holder are connected.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: September 27, 2005
    Assignee: Showa Corporation
    Inventors: Yohei Hama, Akira Fujisaki
  • Patent number: 6946770
    Abstract: In an electric motor having a brush holding portion for holding a brush and a pigtail holding means for holding a pigtail connected to the brush, on a holder surface of a brush holder, the pigtail holding means holds the pigtail in both a lateral direction along the holder surface and a longitudinal direction crossing to the holder surface.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: September 20, 2005
    Assignee: Showa Corporation
    Inventors: Yohei Hama, Akira Fujisaki
  • Patent number: 6933637
    Abstract: An electric motor is disclosed in which a rising wall is formed in a rear side of a terminal insertion hole in a brush holder, a terminal elastically deforms with respect to an upper surface of the rising wall so as to get over the rising wall, thereby being inserted into the terminal insertion hole, and a bent base end portion of the terminal is abutted against the rising wall so as to be prevented from coming off, an elastic deforming performance regulating portion is provided in the terminal.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: August 23, 2005
    Assignee: Showa Corporation
    Inventors: Yohei Hama, Akira Fujisaki
  • Patent number: 6924578
    Abstract: An electric motor provided with a terminal insertion hole to which a terminal connected to a brush is inserted, in a feed connector, a fitting hole is formed in a base end portion of the terminal, a projection is formed in a side of a brush holder, and the fitting hole of the terminal inserted into the terminal insertion hole can be fitted to the projection of the brush holder.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: August 2, 2005
    Assignee: Showa Corporation
    Inventors: Yohei Hama, Akira Fujisaki
  • Publication number: 20040201296
    Abstract: An electric motor provided with a terminal insertion hole to which a terminal connected to a brush is inserted, in a feed connector, a fitting hole is formed in a base end portion of the terminal, a projection is formed in a side of a brush holder, and the fitting hole of the terminal inserted into the terminal insertion hole can be fitted to the projection of the brush holder.
    Type: Application
    Filed: November 24, 2003
    Publication date: October 14, 2004
    Inventors: Yohei Hama, Akira Fujisaki
  • Publication number: 20040201295
    Abstract: An electric motor is disclosed in which a rising wall is formed in a rear side of a terminal insertion hole in a brush holder, a terminal elastically deforms with respect to an upper surface of the rising wall so as to get over the rising wall, thereby being inserted into the terminal insertion hole, and a bent base end portion of the terminal is abutted against the rising wall so as to be prevented from coming off, an elastic deforming performance regulating portion is provided in the terminal.
    Type: Application
    Filed: November 24, 2003
    Publication date: October 14, 2004
    Inventors: Yohei Hama, Akira Fujisaki
  • Patent number: 6799655
    Abstract: In an electric power steering apparatus in which a brush holder of an electric motor is clamped between a yoke of the electric motor and a housing, and a communication passage allowing an inner portion of the yoke of the electric motor and an inner portion of the housing to be ventilated is provided in a partition wall of the brush holder, shielding opposing each other via a narrow passage are provided in an opening facing the inner portion of the yoke in the communication passage provided in the brush holder.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: October 5, 2004
    Assignee: Showa Corporation
    Inventors: Yohei Hama, Akira Fujisaki
  • Publication number: 20040189117
    Abstract: In an electric motor in which a magnet holder is provided in an inner periphery of a yoke, and a terminal insertion hole is provided in a feed connector provided in a brush holder. A terminal connected to a brush is inserted to the terminal insertion hole, and the yoke and the brush holder are connected. An engagement portion is provided in the terminal, a convex portion is provided in an end surface of the magnet holder, and the convex portion of the magnet holder is allowed to be engaged with the engagement portion of the terminal under a state in which the yoke and the brush holder are connected.
    Type: Application
    Filed: September 5, 2003
    Publication date: September 30, 2004
    Inventors: Yohei Hama, Akira Fujisaki
  • Publication number: 20040189116
    Abstract: In an electric motor having a brush holding portion for holding a brush and a pigtail holding means for holding a pigtail connected to the brush, on a holder surface of a brush holder, the pigtail holding means holds the pigtail in both a lateral direction along the holder surface and a longitudinal direction crossing to the holder surface.
    Type: Application
    Filed: September 5, 2003
    Publication date: September 30, 2004
    Inventors: Yohei Hama, Akira Fujisaki