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).
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Patent number: 9459165Abstract: 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: GrantFiled: October 22, 2014Date of Patent: October 4, 2016Assignee: SHOWA CORPORATIONInventors: Yohei Hama, Hiroyuki Muto, Kiyokazu Okado
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Publication number: 20150276519Abstract: 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: ApplicationFiled: October 22, 2014Publication date: October 1, 2015Applicant: SHOWA CORPORATIONInventors: Yohei HAMA, Hiroyuki MUTO, Kiyokazu OKADO
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Patent number: 8901922Abstract: 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: GrantFiled: March 12, 2012Date of Patent: December 2, 2014Assignee: Showa CorporationInventors: Yusuke Hamaguchi, Yohei Hama
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Patent number: 8896296Abstract: 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: GrantFiled: June 4, 2012Date of Patent: November 25, 2014Assignee: Showa CorporationInventors: Yusuke Hamaguchi, Yohei Hama
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Publication number: 20140316303Abstract: 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: ApplicationFiled: October 24, 2012Publication date: October 23, 2014Inventors: Makoto Sato, Takumi Tokumoto, Yasutaka Hiraoka, Ryota Sasaki, Daigo Sugita, Shunsuke Minakuchi, Tatsuro Uchida, Manabu Kanazawa, Yohei Hama
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Patent number: 8726530Abstract: 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: GrantFiled: June 13, 2012Date of Patent: May 20, 2014Assignee: Showa CorporationInventor: Yohei Hama
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Patent number: 8578616Abstract: 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: GrantFiled: May 14, 2012Date of Patent: November 12, 2013Assignee: Showa CorporationInventors: Yusuke Hamaguchi, Yohei Hama, Koichi Hata
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Publication number: 20130168125Abstract: 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: ApplicationFiled: June 13, 2012Publication date: July 4, 2013Applicant: Showa CorporationInventor: Yohei Hama
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Publication number: 20130134966Abstract: 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: ApplicationFiled: June 4, 2012Publication date: May 30, 2013Applicant: Showa CorporationInventors: Yusuke Hamaguchi, Yohei Hama
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Publication number: 20130063136Abstract: 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: ApplicationFiled: March 12, 2012Publication date: March 14, 2013Applicant: Showa CorporationInventors: Yusuke HAMAGUCHI, Yohei Hama
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Publication number: 20120297634Abstract: 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: ApplicationFiled: May 14, 2012Publication date: November 29, 2012Applicant: Showa CorporationInventors: Yusuke Hamaguchi, Yohei Hama, Koichi Hata
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Patent number: 6949860Abstract: 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: GrantFiled: September 5, 2003Date of Patent: September 27, 2005Assignee: Showa CorporationInventors: Yohei Hama, Akira Fujisaki
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Patent number: 6946770Abstract: 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: GrantFiled: September 5, 2003Date of Patent: September 20, 2005Assignee: Showa CorporationInventors: Yohei Hama, Akira Fujisaki
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Patent number: 6933637Abstract: 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: GrantFiled: November 24, 2003Date of Patent: August 23, 2005Assignee: Showa CorporationInventors: Yohei Hama, Akira Fujisaki
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Patent number: 6924578Abstract: 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: GrantFiled: November 24, 2003Date of Patent: August 2, 2005Assignee: Showa CorporationInventors: Yohei Hama, Akira Fujisaki
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Publication number: 20040201295Abstract: 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: ApplicationFiled: November 24, 2003Publication date: October 14, 2004Inventors: Yohei Hama, Akira Fujisaki
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Publication number: 20040201296Abstract: 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: ApplicationFiled: November 24, 2003Publication date: October 14, 2004Inventors: Yohei Hama, Akira Fujisaki
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Patent number: 6799655Abstract: 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: GrantFiled: August 13, 2003Date of Patent: October 5, 2004Assignee: Showa CorporationInventors: Yohei Hama, Akira Fujisaki
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Publication number: 20040189116Abstract: 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: ApplicationFiled: September 5, 2003Publication date: September 30, 2004Inventors: Yohei Hama, Akira Fujisaki
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Publication number: 20040189117Abstract: 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: ApplicationFiled: September 5, 2003Publication date: September 30, 2004Inventors: Yohei Hama, Akira Fujisaki