Patents by Inventor Takashi Nagawatari
Takashi Nagawatari 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: 8348699Abstract: An electrical connector includes a connector main body made of an insulating material for attaching an end portion of a pair of single wires untwisted at an end portion of a twisted pair cable; and a shell member to hold the untwisted portion. The shell member includes a base portion made of a conductive material to dispose the connector main body at the front end side and the untwisted portion at the basal end side; a cable holding portion made of a conductive material to hold the single wires at the untwisted portion for positioning the single wires parallel to each other and close or contact to each other; and a cover portion provided on the base portion to have at least the untwisted portion and the cable holding portion between the cover portion and base portion.Type: GrantFiled: June 7, 2011Date of Patent: January 8, 2013Assignee: Hirose Electric Co., Ltd.Inventors: Takashi Nagawatari, Naohisa Nakata, Tadashi Kubota
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Publication number: 20110300750Abstract: An electrical connector includes a connector main body made of an insulating material for attaching an end portion of a pair of single wires untwisted at an end portion of a twisted pair cable; and a shell member to hold the untwisted portion. The shell member includes a base portion made of a conductive material to dispose the connector main body at the front end side and the untwisted portion at the basal end side; a cable holding portion made of a conductive material to hold the single wires at the untwisted portion for positioning the single wires parallel to each other and close or contact to each other; and a cover portion provided on the base portion to have at least the untwisted portion and the cable holding portion between the cover portion and base portion.Type: ApplicationFiled: June 7, 2011Publication date: December 8, 2011Inventors: Takashi NAGAWATARI, Naohisa NAKATA, Tadashi KUBOTA
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Publication number: 20080139007Abstract: A female terminal structure connector and a male terminal structure connector constitute an electrical connector. The electrical connector includes a plurality of terminals made of a metal sheet and arranged in a housing in a plate thickness direction thereof to face with each other in plate surfaces. The terminals are fitted into each other on a fitting surface provided on the housing. In the electrical connector, the terminal extends in a direction perpendicular to a fitting surface. A part of the terminal situated on a fitting surface side has a contact portion in a plate surface parallel to a fitting direction thereof. Further, the terminal of at least one of the connectors has an elastic portion to elastically bend in a plate thickness direction in a part of the terminal. The contact portion is provided in the elastic portion.Type: ApplicationFiled: November 15, 2007Publication date: June 12, 2008Inventor: Takashi Nagawatari
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Patent number: 7374430Abstract: An electrical connector for connecting a flat-type circuit board (1) includes a pressing member (3) to press the flat-type circuit board (1) to a member to be connected (P). The pressing member (3) includes a section to be supported by a support member (2); a bent section (6); a flat section (7); and a pressing section (8) having elasticity and facing the flat section, with the flat section (7) and the pressing section (8) being provided across the bent section (6). The pressing section (8) holds the flat-type circuit board (1) by elastically pressing it toward a corresponding connecting section (P2) in a state that the flat-type circuit board (1) is between the pressing section (8) and the corresponding connecting section (P2).Type: GrantFiled: February 15, 2007Date of Patent: May 20, 2008Assignee: Hirose Electric Co., Ltd.Inventor: Takashi Nagawatari
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Publication number: 20070197104Abstract: An electrical connector for connecting a flat-type circuit board (1) includes a pressing member (3) to press the flat-type circuit board (1) to a member to be connected (P). The pressing member (3) includes a section to be supported by a support member (2); a bent section (6); a flat section (7); and a pressing section (8) having elasticity and facing the flat section, with the flat section (7) and the pressing section (8) being provided across the bent section (6). The pressing section (8) holds the flat-type circuit board (1) by elastically pressing it toward a corresponding connecting section (P2) in a state that the flat-type circuit board (1) is between the pressing section (8) and the corresponding connecting section (P2).Type: ApplicationFiled: February 15, 2007Publication date: August 23, 2007Inventor: Takashi Nagawatari
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Patent number: 7183495Abstract: A cable connection structure includes an insulation holding body (3); a connection section (2) supported by the insulation holding body (3); a core wire (6) provided at a position corresponding to that of the connection section (2); a bonding agent (4) provided on at least the insulation holding body (3); and an insulation member (5) provided on the core wire (6) and the bonding agent (4) to press the bonding agent (4) between the insulation member (5) and the insulation holding body (3), thereby bonding the insulation member (5) to the insulation holding body (3).Type: GrantFiled: February 24, 2005Date of Patent: February 27, 2007Assignee: Hirose Electric Co., Ltd.Inventors: Satoshi Yoshida, Takashi Nagawatari
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Publication number: 20050202711Abstract: A cable connection structure includes an insulation holding body (3); a connection section (2) supported by the insulation holding body (3); a core wire (6) provided at a position corresponding to that of the connection section (2); a bonding agent (4) provided on at least the insulation holding body (3); and an insulation member (5) provided on the core wire (6) and the bonding agent (4) to press the bonding agent (4) between the insulation member (5) and the insulation holding body (3), thereby bonding the insulation member (5) to the insulation holding body (3).Type: ApplicationFiled: February 24, 2005Publication date: September 15, 2005Inventors: Satoshi Yoshida, Takashi Nagawatari
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Publication number: 20020022383Abstract: A compression connector (10) comprises an insulation sheet (11) having a plurality of retention holes, a plurality of elastic contacts (12) provided in the retention holes to make elastic contact with a pair of boards (20) and (30) and a printed line (13) provided on at least one face of the insulation sheet (11) to connect the elastic contacts (12).Type: ApplicationFiled: July 20, 2001Publication date: February 21, 2002Inventors: Tsuyoshi Sakata, Takashi Nagawatari
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Patent number: 6328573Abstract: An intermediate electrical connector comprises a housing (1) having apertures (2A, 3A) and a contact element (4) which comprises a retention section (5) held between the peripheries of the apertures (2A, 3A), a pair of contact sections (6A, 6B) projecting from the apertures (2A, 3A) in opposite directions, and a transmission path (7) provided between the contact sections (6A, 6B).Type: GrantFiled: February 29, 2000Date of Patent: December 11, 2001Assignee: Hirose Electric Co., Ltd.Inventors: Tsuyoshi Sakata, Tsutomu Matsuo, Takashi Nagawatari
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Publication number: 20010049207Abstract: An electrical connector is supported by a light conductive plate (2) that is provided between a circuit board (1) and a liquid crystal display (LCD 3) to electrically connect the circuit board (1) and the LCD (3). It comprises a plurality of contact elements (13) that are made of an electrically conductive elastomer and a holder section (10) molded together with the contact elements (13). The cylindrical contact elements (13) have opposite ends projecting from the holder section (10) for spring contact with corresponding circuit traces of the circuit board and the LCD.Type: ApplicationFiled: March 5, 2001Publication date: December 6, 2001Inventors: Tsuyoshi Sakata, Takashi Nagawatari, Masahiro Tanaka
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Patent number: 6299458Abstract: A contact element (4) comprises a fixed section (5) inserted into the slot (2) along the first minor side of the slot, a flexible section (6) extending from the fixed section toward the second minor side of the slot in a plane and being flexible in the plane, and contact portions (7A, 7B) extending from the flexible section so as to project from the major faces of a housing (1). The fixed section, the flexible section, and the contact portions are in the plane parallel to the major faces of the slot. A conductive layer or sheet (3) is provided on the major sides of the slot. A sliding contact (8A, 8B) are provided near the contact portions are brought into sliding contact with the conductive layer or sheet.Type: GrantFiled: October 26, 1999Date of Patent: October 9, 2001Assignee: Hirose Electric Co., Ltd.Inventors: Yoku Yamagami, Tsuyoshi Sakata, Tsutomu Matsuo, Takashi Nagawatari
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Patent number: 6280207Abstract: An intermediate electrical connector comprises a support plate (1) which is made of a dielectric material and has at least one support aperture (2) having an inside diameter; and at least one conductive member (3) provided through the support aperture to short-circuit circuit portions of connection objects. The conductive member is made of a conductive elastomer and comprises a retention section (4) with flange portions for engage with the support aperture to attach the conductive member to the support plate; and an elastic protruded section (5). The elastic protruded section extends from the retention section in a direction of thickness of the support plate to form at opposite ends contact faces (7) for elastic contact with the circuit portions (11A, 12A) of the connection objects (11, 12) and has, adjacent to the retention section, shoulder (6) portions having an outside diameter which is smaller than the inside diameter of the support aperture.Type: GrantFiled: May 10, 2000Date of Patent: August 28, 2001Assignee: Hirose Electric Co., Ltd.Inventors: Tsuyoshi Sakata, Takashi Nagawatari