Patents by Inventor Hidehisa Yamagami
Hidehisa Yamagami 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: 7874850Abstract: An electrical connector includes an insulating housing provided with a plurality of first contacts. Each of the first contacts has a tine that extends toward an outside of the insulating housing that is bent at a right angle with respect thereto. A tine plate is mounted on a side of the insulating housing. A circuit board is arranged adjacent to the undersurface of the tine plate and spaced there from. The tines extend through first through-holes in the tine plate and first through-holes in the circuit board. The tine plate has at least one first recess provided on the undersurface of the tine plate that encompasses at least one of the first though-holes on the tine plate. Molten solder is provided in the first through-holes in the circuit board and forms a fillet on the tines that extends toward the undersurface of the tine plate.Type: GrantFiled: August 29, 2006Date of Patent: January 25, 2011Assignee: Tyco Electronics Japan G.K.Inventors: Hidehisa Yamagami, Yusuke Mito
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Patent number: 7775842Abstract: A crimping structure for a conductor utilizes a crimp barrel, wherein the crimp barrel has a plurality of crimping parts that are provided continuously along an axial direction of the conductor. The crimp barrel is formed such that the widths of the plurality of crimping parts are different from each other in the expanded state, and the plurality of crimping parts are compressed to a uniform height along the axial direction.Type: GrantFiled: December 19, 2008Date of Patent: August 17, 2010Assignee: Tyco Electronics Japan G. K.Inventor: Hidehisa Yamagami
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Publication number: 20090275241Abstract: An electrical connector includes an insulating housing provided with a plurality of first contacts. Each of the first contacts has a tine that extends toward an outside of the insulating housing that is bent at a right angle with respect thereto. A tine plate is mounted on a side of the insulating housing. A circuit board is arranged adjacent to the undersurface of the tine plate and spaced there from. The tines extend through first through-holes in the tine plate and first through-holes in the circuit board. The tine plate has at least one first recess provided on the undersurface of the tine plate that encompasses at least one of the first though-holes on the tine plate. Molten solder is provided in the first through-holes in the circuit board and forms a fillet on the tines that extends toward the undersurface of the tine plate.Type: ApplicationFiled: August 29, 2006Publication date: November 5, 2009Inventors: Hidehisa Yamagami, Yusuke Mito
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Publication number: 20090163088Abstract: A crimping structure for a conductor utilizes a crimp barrel, wherein the crimp barrel has a plurality of crimping parts that are provided continuously along an axial direction of the conductor. The crimp barrel is formed such that the widths of the plurality of crimping parts are different from each other in the expanded state, and the plurality of crimping parts are compressed to a uniform height along the axial direction.Type: ApplicationFiled: December 19, 2008Publication date: June 25, 2009Inventor: Hidehisa Yamagami
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Patent number: 7497702Abstract: A circuit board mounted connector is equipped with an insulative housing, which holds a plurality of rows of contacts and is mounted on a circuit board. Each contact has a contact portion, for contacting another connector; and a leg portion, which is connected to the circuit board. Each leg portion has an extending portion that extends from a rear wall of the insulative housing; a flexible portion, which is formed continuously with the extending portions; and a linear portion that extends in a direction substantially perpendicular to the circuit board from the flexible portion and is connected to an aperture of the circuit board. Of the plurality of rows of contacts, at least the row closest to the circuit board has extending portions that extend away from the circuit board, up to the flexible portions. The linear portions of each of the leg portions are partially tin plated.Type: GrantFiled: November 6, 2007Date of Patent: March 3, 2009Assignee: Tyco Electronics AMP K.K.Inventor: Hidehisa Yamagami
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Publication number: 20080132096Abstract: A circuit board mounted connector is equipped with an insulative housing, which holds a plurality of rows of contacts and is mounted on a circuit board. Each contact has a contact portion, for contacting another connector; and a leg portion, which is connected to the circuit board. Each leg portion has an extending portion that extends from a rear wall of the insulative housing; a flexible portion, which is formed continuously with the extending portions; and a linear portion that extends in a direction substantially perpendicular to the circuit board from the flexible portion and is connected to an aperture of the circuit board. Of the plurality of rows of contacts, at least the row closest to the circuit board has extending portions that extend away from the circuit board, up to the flexible portions. The linear portions of each of the leg portions are partially tin plated.Type: ApplicationFiled: November 6, 2007Publication date: June 5, 2008Inventor: Hidehisa Yamagami
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Patent number: 7357681Abstract: A board-mount electrical connector capable of maintaining favorable solderability of a connecting section of a terminal for a long term and preventing occurrence of a whisker in a bent section of the terminal is provided. The electrical connector includes a plurality of terminals each having at one end a contact section which contacts a mating contact and having, at the other end, a connecting section which connects to a circuit board. A bent section is located in a middle portion between the contact section and the connecting section. An insulating housing holds the plurality of terminals. On each terminal, a bright tin-plated layer and a semi-bright tin plated layer are formed on respective surfaces of the contact section and the connecting section leaving the surface of the middle portion unplated by tin such that the semi-bright tin-plated layer is thicker than the bright tin-plated layer.Type: GrantFiled: July 22, 2005Date of Patent: April 15, 2008Assignee: Tyco Electronics AMP K.K.Inventors: Hidehisa Yamagami, Ken Furuyama, Atsushi Nishida, Masato Minakata, Hiroshi Kobayashi
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Patent number: 7309243Abstract: A circuit board mounted connector is equipped with an insulative housing, which holds a plurality of rows of contacts and is mounted on a circuit board. Each contact has a contact portion, for contacting another connector, and a leg portion, which is connected to the circuit board. Each leg portion has an extending portion that extends from a rear wall of the insulative housing; a flexible portion, which is formed continuously with the extending portions; and a linear portion that extends in a direction substantially perpendicular to the circuit board from the flexible portion and is connected to an aperture of the circuit board. Of the plurality of rows of contacts, at least the row closest to the circuit board has extending portions that extend away from the circuit board, up to the flexible portions. The linear portions of each of the leg portions are partially tin plated.Type: GrantFiled: May 16, 2005Date of Patent: December 18, 2007Assignee: Tyco Electronics AMP K.KInventor: Hidehisa Yamagami
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Patent number: 7300290Abstract: An electrical connector comprises an insulating housing and first contacts secured to the housing. Each of the first contacts has the same shape and includes a housing securing member, a contact member extending from a first end of the housing securing member, and a circuit board connecting member extending from a second end of the housing securing member that is offset from the contact member. The first contacts are arranged such that adjacent circuit board connecting members of the first contacts are arranged at substantially the same pitch. A plurality of the first contacts is inverted by substantially 180 degrees, and the contact members of the first contacts inverted by substantially 180 degrees and adjacent contact members of the first contacts not inverted by substantially 180 degrees are arranged at a pitch different from the pitch of the circuit board connecting members.Type: GrantFiled: April 7, 2006Date of Patent: November 27, 2007Assignee: Tyco Electronics AMP K.K.Inventors: Hidehisa Yamagami, Yusuke Mito
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Patent number: 7179094Abstract: A surface mount technology connector comprises a housing provided with a plurality of contacts. At least one metal fitting is fixed to a sidewall of the housing. The metal fitting has a base and a soldering section for soldering to a circuit board. The base has a smaller width than the soldering section. The soldering section extends from a substantial center of the base with respect to the width thereof. The soldering section and a portion of the base extend approximately perpendicular to and away from a bottom of the sidewall of the housing. The sidewall of the housing has a solder viewing section at each side of the base. The solder viewing section retracts inward as the solder viewing section approaches the soldering section to expose the soldering section at the bottom of the sidewall of the housing.Type: GrantFiled: October 27, 2005Date of Patent: February 20, 2007Assignee: Tyco Electronics AMP K.K.Inventors: Yuzo Kawahara, Hidehisa Yamagami, Takahiro Ishiyama, Masahiro Takamatsu
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Publication number: 20060234529Abstract: An electrical connector comprises an insulating housing and first contacts secured to the housing. Each of the first contacts has the same shape and includes a housing securing member, a contact member extending from a first end of the housing securing member, and a circuit board connecting member extending from a second end of the housing securing member that is offset from the contact member. The first contacts are arranged such that adjacent circuit board connecting members of the first contacts are arranged at substantially the same pitch. A plurality of the first contacts is inverted by substantially 180 degrees, and the contact members of the first contacts inverted by substantially 180 degrees and adjacent contact members of the first contacts not inverted by substantially 180 degrees are arranged at a pitch different from the pitch of the circuit board connecting members.Type: ApplicationFiled: April 7, 2006Publication date: October 19, 2006Inventors: Hidehisa Yamagami, Yusuke Mito
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Patent number: 7074094Abstract: A compliant pin comprises a contact portion, an end portion, and a press-fit portion. The press-fit portion is arranged between the contact portion and the end portion. The press-fit portion is deformable in a radial direction. The press-fit portion has a first tapered surface with a first end and a second end. The first tapered surface has recesses for receiving shavings generated when the compliant pin is press-fit.Type: GrantFiled: August 12, 2005Date of Patent: July 11, 2006Assignee: Tyco Electronics AMP K.K.Inventors: Yuzo Kawahara, Hidehisa Yamagami
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Publication number: 20060094298Abstract: A surface mount technology connector comprises a housing provided with a plurality of contacts. At least one metal fitting is fixed to a sidewall of the housing. The metal fitting has a base and a soldering section for soldering to a circuit board. The base has a smaller width than the soldering section. The soldering section extends from a substantial center of the base with respect to the width thereof. The soldering section and a portion of the base extend approximately perpendicular to and away from a bottom of the sidewall of the housing. The sidewall of the housing has a solder viewing section at each side of the base. The solder viewing section retracts inward as the solder viewing section approaches the soldering section to expose the soldering section at the bottom of the sidewall of the housing.Type: ApplicationFiled: October 27, 2005Publication date: May 4, 2006Inventors: Yuzo Kawahara, Hidehisa Yamagami, Takahiro Ishiyama, Masahiro Takamatsu
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Publication number: 20060035535Abstract: A compliant pin comprises a contact portion, an end portion, and a press-fit portion. The press-fit portion is arranged between the contact portion and the end portion. The press-fit portion is deformable in a radial direction. The press-fit portion has a first tapered surface with a first end and a second end. The first tapered surface has recesses for receiving shavings generated when the compliant pin is press-fit.Type: ApplicationFiled: August 12, 2005Publication date: February 16, 2006Inventors: Yuzo Kawahara, Hidehisa Yamagami
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Publication number: 20060025024Abstract: A board-mount electrical connector capable of maintaining favorable solderability of a connecting section of a terminal for a long term and preventing occurrence of a whisker in a bent section of the terminal is provided. The electrical connector includes a plurality of terminals each having at one end a contact section which contacts a mating contact and having, at the other end, a connecting section which connects to a circuit board. A bent section is located in a middle portion between the contact section and the connecting section. An insulating housing holds the plurality of terminals. On each terminal, a bright tin-plated layer and a semi-bright tin plated layer are formed on respective surfaces of the contact section and the connecting section leaving the surface of the middle portion unplated by tin such that the semi-bright tin-plated layer is thicker than the bright tin-plated layer.Type: ApplicationFiled: July 22, 2005Publication date: February 2, 2006Inventors: Hidehisa Yamagami, Ken Furuyama, Atsushi Nishida, Masato Minakata, Hiroshi Kobayashi
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Publication number: 20050255725Abstract: A circuit board mounted connector is equipped with an insulative housing, which holds a plurality of rows of contacts and is mounted on a circuit board. Each contact has a contact portion, for contacting another connector, and a leg portion, which is connected to the circuit board. Each leg portion has an extending portion that extends from a rear wall of the insulative housing; a flexible portion, which is formed continuously with the extending portions; and a linear portion that extends in a direction substantially perpendicular to the circuit board from the flexible portion and is connected to an aperture of the circuit board. Of the plurality of rows of contacts, at least the row closest to the circuit board has extending portions that extend away from the circuit board, up to the flexible portions. The linear portions of each of the leg portions are partially tin plated.Type: ApplicationFiled: May 16, 2005Publication date: November 17, 2005Inventor: Hidehisa Yamagami
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Publication number: 20050204550Abstract: The object of the present invention is to provide a method for preparing a board through-hole which makes it possible to form in a circuit board a through-hole that does not strip metal plating away when a press-fit contact is inserted, with the amount of wear of a jig minimized. The board through-hole is formed with a conductor 51. Then, a step of beveling the corner edge of a through-hole is performed by the pressing a pointed jig into a corner edge of the through-hole.Type: ApplicationFiled: March 16, 2005Publication date: September 22, 2005Inventors: Yuji Ikeda, Kiyomi Maruyama, Hidehisa Yamagami, Yuzo Kawahara
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Patent number: 6390860Abstract: A connector includes a vibration preventing piece is provided on the side surface of a connecting section between an elongated tab-shaped contact section provided at one end of a connecting terminal and a locking section at the middle, in such a manner that it is flush with the side surface of the locking section and extended towards the tab-shaped contact section. A contact recess is formed in the contact section engaging hole which is formed in the contact section engaging hole which is formed in a housing, so that, when the connecting terminal is inserted into the terminal accommodating chamber, the vibration preventing piece of the connecting terminal is abutted against the contact recess in the contact engaging hole.Type: GrantFiled: October 15, 1999Date of Patent: May 21, 2002Assignees: Yazaki Corporation, AMP (Japan), Ltd.Inventors: Kouichi Shirouzu, Kei Sato, Satoru Shindoh, Hidehisa Yamagami
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Patent number: D500739Type: GrantFiled: January 14, 2004Date of Patent: January 11, 2005Assignees: Tyco Electronics AMP K.K., Toyota Jidousha Kabushiki KaishaInventors: Atsushi Nishida, Masato Minakata, Kentarou Irikura, Hidehisa Yamagami, Ken Furuyama
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Patent number: D577338Type: GrantFiled: April 7, 2006Date of Patent: September 23, 2008Assignee: Tyco Electronics AMP K.K.Inventors: Hidehisa Yamagami, Yusuke Mito