Patents by Inventor Sadao Ohno
Sadao Ohno 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: 10938095Abstract: A vehicle antenna device includes an antenna base, an antenna case that covers the antenna base, and an antenna element positioned inside the antenna case and including a capacitive element and a coil element. The coil element includes a supporting body and a winding held by the supporting body, and the supporting body has a support area and projections that are formed along an axial direction of the coil element and hold the winding in the support area.Type: GrantFiled: August 22, 2019Date of Patent: March 2, 2021Assignee: YOKOWO CO., LTD.Inventors: Sadao Ohno, Kengo Osawa
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Patent number: 10680317Abstract: A vehicle antenna device has a stably held coil element while its winding shape is maintained, and the number of turns of the coil element winding is easily adjusted during production. A coil element is configured by forming a winding around a resin-made bobbin. A guide groove, which is a path of the winding, and a plurality of projections, which are along the path of the winding, are disposed on the outer circumferential surface of the winding barrel of the bobbin. The guide groove spirally extends around the outer circumferential surface of the winding barrel. The projections are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding is drawn out in the axial direction while being hooked to an arbitrary one of the projections, and electrically connected to an upper terminal.Type: GrantFiled: May 31, 2019Date of Patent: June 9, 2020Assignee: YOKOWO CO., LTD.Inventors: Sadao Ohno, Kengo Osawa
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Publication number: 20190379108Abstract: A vehicle antenna device includes an antenna base, an antenna case that covers the antenna base, and an antenna element positioned inside the antenna case and including a capacitive element and a coil element. The coil element includes a supporting body and a winding held by the supporting body, and the supporting body has a support area and projections that are formed along an axial direction of the coil element and hold the winding in the support area.Type: ApplicationFiled: August 22, 2019Publication date: December 12, 2019Applicant: YOKOWO CO., LTD.Inventors: Sadao OHNO, Kengo OSAWA
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Patent number: 10431880Abstract: A vehicle antenna device has a stably held coil element while its winding shape is maintained, and the number of turns of the coil element winding is easily adjusted during production. A coil element is configured by forming a winding around a resin-made bobbin. A guide groove, which is a path of the winding, and a plurality of projections, which are along the path of the winding, are disposed on the outer circumferential surface of the winding barrel of the bobbin. The guide groove spirally extends around the outer circumferential surface of the winding barrel. The projections are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding is drawn out in the axial direction while being hooked to an arbitrary one of the projections, and electrically connected to an upper terminal.Type: GrantFiled: April 10, 2015Date of Patent: October 1, 2019Assignee: YOKOWO CO., LTD.Inventors: Sadao Ohno, Kengo Osawa
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Publication number: 20190288380Abstract: A vehicle antenna device has a stably held coil element while its winding shape is maintained, and the number of turns of the coil element winding is easily adjusted during production. A coil element is configured by forming a winding around a resin-made bobbin. A guide groove, which is a path of the winding, and a plurality of projections, which are along the path of the winding, are disposed on the outer circumferential surface of the winding barrel of the bobbin. The guide groove spirally extends around the outer circumferential surface of the winding barrel. The projections are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding is drawn out in the axial direction while being hooked to an arbitrary one of the projections, and electrically connected to an upper terminal.Type: ApplicationFiled: May 31, 2019Publication date: September 19, 2019Applicant: YOKOWO CO., LTD.Inventors: Sadao Ohno, Kengo Osawa
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Patent number: 10355335Abstract: A vehicle antenna device includes: an antenna base; an antenna case which is overlaid on the antenna base; and an antenna element and an amplifier board which are disposed inside the antenna case. The antenna base has: a resin-made base which has an opening; and a metal-made base which is smaller in area than the resin-made base, the metal-made base being disposed on the resin-made base so as to close the opening, and having a cylindrical portion for attachment to a vehicle body. A conductor plate is attached to a surface of the resin-made base, the surface being opposite to a placement surface of the metal-made base.Type: GrantFiled: June 5, 2015Date of Patent: July 16, 2019Assignee: Yokowo Co., Ltd.Inventors: Sadao Ohno, Kenji Hayakawa, Takayuki Sone
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Patent number: 10283863Abstract: A composite antenna includes: a coil element which is formed into a spiral shape, and which has a trap coil portion in a base end portion; a tubular conductive element which is electrically series-connected to a base end of the coil element; and a connection metal fitting which is electrically connected to a base end of the conductive element. A series connection of the coil element and the tubular conductive element operates in a first frequency band, and the tubular conductive element alone operates in a second frequency band which is higher than the first frequency band.Type: GrantFiled: July 13, 2015Date of Patent: May 7, 2019Assignee: YOKOWO CO., LTD.Inventors: Sadao Ohno, Kengo Osawa, Takashi Nozaki, Kenichi Tanaka
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Patent number: 10276927Abstract: A vehicle antenna device includes: an antenna base; an antenna case which is overlaid on the antenna base; and an antenna element and an amplifier board which are disposed inside the antenna case. The antenna element has a capacitive element and a coil element, and a filter board is disposed between the capacitive element and the coil element.Type: GrantFiled: May 20, 2015Date of Patent: April 30, 2019Assignee: YOKOWO CO., LTD.Inventors: Sadao Ohno, Kengo Osawa
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Publication number: 20170237167Abstract: A composite antenna includes: a coil element which is formed into a spiral shape, and which has a trap coil portion in a base end portion; a tubular conductive element which is electrically series-connected to a base end of the coil element; and a connection metal fitting which is electrically connected to a base end of the conductive element. A series connection of the coil element and the tubular conductive element operates in a first frequency band, and the tubular conductive element alone operates in a second frequency band which is higher than the first frequency band.Type: ApplicationFiled: July 13, 2015Publication date: August 17, 2017Applicant: YOKOWO CO., LTD.Inventors: Sadao OHNO, Kengo OSAWA, Takashi NOZAKI, Kenichi TANAKA
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Publication number: 20170214112Abstract: A vehicle antenna device includes: an antenna base; an antenna case which is overlaid on the antenna base; and an antenna element and an amplifier board which are disposed inside the antenna case. The antenna base has: a resin-made base which has an opening; and a metal-made base which is smaller in area than the resin-made base, the metal-made base being disposed on the resin-made base so as to close the opening, and having a cylindrical portion for attachment to a vehicle body. A conductor plate is attached to a surface of the resin-made base, the surface being opposite to a placement surface of the metal-made base.Type: ApplicationFiled: June 5, 2015Publication date: July 27, 2017Applicant: YOKOWO CO., LTD.Inventors: Sadao OHNO, Kenji HAYAKAWA, Takayuki SONE
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Publication number: 20170214129Abstract: A vehicle antenna device includes: an antenna base; an antenna case which is overlaid on the antenna base; and an antenna element and an amplifier board which are disposed inside the antenna case. The antenna element has a capacitive element and a coil element, and a filter board is disposed between the capacitive element and the coil element.Type: ApplicationFiled: May 20, 2015Publication date: July 27, 2017Applicant: YOKOWO CO., LTD.Inventors: Sadao OHNO, Kengo OSAWA
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Publication number: 20170207520Abstract: A vehicle antenna device has a stably held coil element while its winding shape is maintained, and the number of turns of the coil element winding is easily adjusted during production. A coil element is configured by forming a winding around a resin-made bobbin. A guide groove, which is a path of the winding, and a plurality of projections, which are along the path of the winding, are disposed on the outer circumferential surface of the winding barrel of the bobbin. The guide groove spirally extends around the outer circumferential surface of the winding barrel. The projections are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding is drawn out in the axial direction while being hooked to an arbitrary one of the projections, and electrically connected to an upper terminal.Type: ApplicationFiled: April 10, 2015Publication date: July 20, 2017Applicant: YOKOWO CO., LTD.Inventors: Sadao OHNO, Kengo OSAWA
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Patent number: 8138983Abstract: A vehicle includes a vehicle frame, a dielectric panel mounted to the vehicle frame, an antenna unit mounted on the dielectric panel, an electrically conductive bracket connected with the antenna unit, and a resilient ground plate connected with the bracket and the vehicle frame. The dielectric panel can be interposed between the antenna unit and the bracket. The resilient ground plate can facilitate grounding the antenna unit to the vehicle frame. A vehicle antenna unit and an antenna mount for the vehicle antenna unit are also disclosed.Type: GrantFiled: August 31, 2009Date of Patent: March 20, 2012Assignees: Honda Motor Co., Ltd., Yokowo Co., Ltd.Inventors: Hidehito Oki, Michael Andrew Pilgrim, Jason Dutter, Masashi Noda, Sadao Ohno
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Publication number: 20110050518Abstract: A vehicle includes a vehicle frame, a dielectric panel mounted to the vehicle frame, an antenna unit mounted on the dielectric panel, an electrically conductive bracket connected with the antenna unit, and a resilient ground plate connected with the bracket and the vehicle frame. The dielectric panel can be interposed between the antenna unit and the bracket. The resilient ground plate can facilitate grounding the antenna unit to the vehicle frame. A vehicle antenna unit and an antenna mount for the vehicle antenna unit are also disclosed.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicants: HONDA MOTOR CO., LTD., YOKOWO CO., LTD.Inventors: Hidehito Oki, Michael Andrew Pilgrim, Jason Dutter, Masashi Noda, Sadao Ohno
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Patent number: 7312761Abstract: A base member is adapted to be mounted on a vehicle body. A proximal end of a rod-shaped antenna body is pivotably provided on the base member. The antenna body includes an antenna element. A first conductive member is disposed in the base member and provided with a first bracket-shaped portion having elasticity. A second conductive member is electrically connected to the antenna element and provided with a second bracket-shaped portion. The second conductive member is pivotably fitted with the first conductive member while opposite outer faces of the second bracket-shaped portion is brought into elastic contact with opposing inner faces of the first bracket-shaped portion.Type: GrantFiled: September 29, 2005Date of Patent: December 25, 2007Assignee: Yokowo Co., Ltd.Inventors: Tatsuo Gorai, Sadao Ohno
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Patent number: 7274341Abstract: A structure for mounting an antenna device on a first side of a panel body is disclosed. A first fixation member includes a first end having a first width, a second end, and a slit connecting the first end and the second end. A protrusion is protruded from the antenna device and fitted into the first end of the first fixation member. A second fixation member is fitted into the second end of the first fixation member while being coupled with the protrusion in a screwing manner. The first width is smaller than an aperture formed in the panel body when the protrusion and the second fixation member are in a first screwing position, so that the protrusion, the first fixation member and the second fixation member are allowed to pass through the aperture from the first side to a second side thereof.Type: GrantFiled: October 21, 2005Date of Patent: September 25, 2007Assignee: Yokowo Co., Ltd.Inventors: Sadao Ohno, Motonao Takahashi, Kazuki Katono, Keisuke Yamaya
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Patent number: 7271773Abstract: In an antenna adapted to be mounted on a vehicle body, a base member supports a base end of the antenna element. A screw member is extended from the base member and adapted to be inserted into a though hole formed in the vehicle body. A wall member is extended from the base member to define a housing space. A circuit board is disposed in the housing space. A casing covers the housing space such that an inner face thereof comes in contact with an outer face of the wall member. A waterproofing member is disposed between the base member and the vehicle body so as to surround an entire periphery of the through hole.Type: GrantFiled: October 19, 2005Date of Patent: September 18, 2007Assignee: Yokowo Co., Ltd.Inventors: Tatsuo Gorai, Sadao Ohno
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Publication number: 20060097937Abstract: In an antenna adapted to be mounted on a vehicle body, a base member supports a base end of the antenna element. A screw member is extended from the base member and adapted to be inserted into a though hole formed in the vehicle body. A wall member is extended from the base member to define a housing space. A circuit board is disposed in the housing space. A casing covers the housing space such that an inner face thereof comes in contact with an outer face of the wall member. A waterproofing member is disposed between the base member and the vehicle body so as to surround an entire periphery of the through hole.Type: ApplicationFiled: October 19, 2005Publication date: May 11, 2006Inventors: Tatsuo Gorai, Sadao Ohno
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Publication number: 20060071868Abstract: A base member is adapted to be mounted on a vehicle body. A proximal end of a rod-shaped antenna body is pivotably provided on the base member. The antenna body includes an antenna element. A first conductive member is disposed in the base member and provided with a first bracket-shaped portion having elasticity. A second conductive member is electrically connected to the antenna element and provided with a second bracket-shaped portion. The second conductive member is pivotably fitted with the first conductive member while opposite outer faces of the second bracket-shaped portion is brought into elastic contact with opposing inner faces of the first bracket-shaped portion.Type: ApplicationFiled: September 29, 2005Publication date: April 6, 2006Inventors: Tatsuo Gorai, Sadao Ohno
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Patent number: 7019701Abstract: An antenna device is mounted on a vehicle body. A distal end of an antenna element is attached to an antenna base. The antenna base is provided with a conductive screw projection electrically connected with the antenna element and inserted into a hole formed in the vehicle body, and a first insulative member mounted on an outer face of the vehicle body to electrically insulate the screw projection from the vehicle body. A conductive washer is disposed inside the vehicle body such that the screw projection is inserted therethrough. A conductive nut is disposed inside the vehicle body to be screwed to the screw projection to form a conductive path from the antenna element and an electric equipment disposed inside the vehicle. A second insulative member is disposed inside the vehicle body to electrically insulate the screw projection from the washer, and to electrically insulate the nut from the washer.Type: GrantFiled: January 22, 2004Date of Patent: March 28, 2006Assignee: Yokowo Co., Ltd.Inventors: Sadao Ohno, Kazuki Katono