Patents by Inventor Shinji Kawakita
Shinji Kawakita 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: 7632110Abstract: A casing 20 surrounding a circuit structure 10 consists of a frame 21, a heat sink 30 located in a rear side of the circuit structure 10 and a cover 60 located in a front side. The frame 21 is in a two-component structure consisting of a first frame member 22 shaped a capital letter C and a second frame member 23 disposed in a rear side of a first terminal part 15A. Thereby, before implementing a switching member 13, the circuit structure 10 can be bonded to the heat sink 30 and, thereafter, the first frame member 22 and the second frame member 23 are separately fixed to the heat sink 30 so that the frame 21 surrounding the circuit structure 10 from the periphery can be completed.Type: GrantFiled: November 8, 2005Date of Patent: December 15, 2009Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Tomoki Kanou, Tadashi Tomikawa, Shinji Kawakita
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Publication number: 20080009154Abstract: A casing 20 surrounding a circuit structure 10 consists of a frame 21, a heat sink 30 located in a rear side of the circuit structure 10 and a cover 60 located in a front side. The frame 21 is in a two-component structure consisting of a first frame member 22 shaped a capital letter C and a second frame member 23 disposed in a rear side of a first terminal part 15A. Thereby, before implementing a switching member 13, the circuit structure 10 can be bonded to the heat sink 30 and, thereafter, the first frame member 22 and the second frame member 23 are separately fixed to the heat sink 30 so that the frame 21 surrounding the circuit structure 10 from the periphery can be completed.Type: ApplicationFiled: November 8, 2005Publication date: January 10, 2008Applicant: AUTONETWORKS TECHNOLOGIES, LTD.Inventors: Tomoki Kanou, Tadashi Tomikawa, Shinji Kawakita
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Patent number: 7244141Abstract: In a heat radiator plate, a mounting bracket extending from a peripheral edge portion of the heat radiator plate, an auxiliary heat radiator plate portion extending along the mounting bracket and positioned between the mounting bracket 39 and a body through a gap and a radiant heat radiator portion formed on a top end of the auxiliary heat radiator plate portion and opposing to the body through the gap are provided. Heat generated by a circuit construction body is conducted from the heat radiator plate, the auxiliary heat radiator plate portion and the radiant heat radiator portion to the gap and radiated to the body through the gap. The heat radiation characteristics of the connector box are improved.Type: GrantFiled: December 30, 2005Date of Patent: July 17, 2007Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shigeki Yamane, Shinji Kawakita, Masao Shibata, Hidemasa Yoshida
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Patent number: 7203073Abstract: A group of bus bars, forming a power circuit, are adhesively bonded to a surface of a control circuit board. Surface-mounting type relay switches are used as a switching unit for the power circuit. Contact-side terminals of each relay switch are mounted on the bus bar group while coil-side terminals thereof are mounted on the control circuit board. The opening and closing of relay contacts are controlled by a control circuit incorporated in the control circuit board.Type: GrantFiled: July 1, 2003Date of Patent: April 10, 2007Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shinji Kawakita, Takahiro Onizuka
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Patent number: 7189082Abstract: An electrical connection box is to be attached to an attachment objective member. The electrical connection box includes: a circuit housing that accommodates a circuit substrate; a fuse box that detachably accommodates a fuse element, the fuse box being provided at an upper portion of the circuit housing in a state where the electrical connection box being attached to the attachment objective member; a plurality of bus bars that connect the circuit substrate and the fuse element; and a water-discharge channel that discharges water flowed into the fuse box to outside of the electrical connection box, the water-discharge channel being provided at a lower part of the bus bars in a state where the electrical connection box is attached to the attachment objective member, and at a position between the circuit housing and the fuse box.Type: GrantFiled: April 11, 2005Date of Patent: March 13, 2007Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Hayato Fukushima, Shigeki Yamane, Tadashi Tomikawa, Shinji Kawakita
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Patent number: 7104810Abstract: An electrical connection box includes: a case having an opening, the case housing a circuit forming board having a conductive path; a connector being attached to an attachment surface of the case at end side of the opening, the connector being mounted on the circuit forming board; a terminal fitting being attached to the connector and connected to the conductive path of the circuit forming board by soldering; and an attachment member being provided between the attachment surface of the case and the connector. The attachment member allows a displacement of the connector by pressing the connector against an attachment surface of the case.Type: GrantFiled: August 2, 2005Date of Patent: September 12, 2006Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shinji Kawakita, Shigeki Yamane
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Publication number: 20060154518Abstract: In a heat radiator plate, a mounting bracket extending from a peripheral edge portion of the heat radiator plate, an auxiliary heat radiator plate portion extending along the mounting bracket and positioned between the mounting bracket 39 and a body through a gap and a radiant heat radiator portion formed on a top end of the auxiliary heat radiator plate portion and opposing to the body through the gap are provided. Heat generated by a circuit construction body is conducted from the heat radiator plate, the auxiliary heat radiator plate portion and the radiant heat radiator portion to the gap and radiated to the body through the gap. The heat radiation characteristics of the connector box are improved.Type: ApplicationFiled: December 30, 2005Publication date: July 13, 2006Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Shigeki Yamane, Shinji Kawakita, Masao Shibata, Hidemasa Yoshida
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Patent number: 7074053Abstract: An electrical connection box includes a case, a connector, a terminal fitting, a cover, and a restricting member. The case has an opening and houses a circuit forming board including a conductive path. The connector is mounted on the circuit forming board to face an outside from an opening end side of the case. The connector has a fitting surface which faces a board surface of the circuit forming board. The terminal fitting is attached to the connector. The terminal fitting is connected to the conductive path of the circuit forming board by soldering. The cover is attached to the opening of the case. The restricting member is provided with the cover and the connector. The restricting member can restrict a displacement of the connector in a direction where the connector is engaged with an opposing connector.Type: GrantFiled: August 1, 2005Date of Patent: July 11, 2006Assignees: Autonetworks Technologies Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shinji Kawakita, Shigeki Yamane
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Patent number: 7033186Abstract: A terminal portion of non-implementation branch path branched from a input terminal is disposed within a fuse box. A switching member separated from the input terminal is implemented in an implementation branch path. The terminal portion of the non-implementation branch path is connected to one end terminal portion of the implementation branch path via fuse. The other end terminal portion of the implementation branch path is connected to tan output terminal fitting.Type: GrantFiled: August 4, 2005Date of Patent: April 25, 2006Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shinji Kawakita, Shigeki Yamane
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Patent number: 7028401Abstract: A method is provided of connecting wires of a wiring harness to a junction box to form branch circuits. An electrical conductor material is formed in parallel strips in a Y-axis direction on one surface of an insulator board, and wires are arranged in an X-axis direction on the other side of the insulator board. A circuit assembly is formed by connecting the exposed cores of one end of the wires to the conductor material through openings provided in the insulator board. Connector terminals are installed at the other end of the wires that extend outward and away from the insulator board. Groups of wires are gathered and placed in same connectors in which joint terminals are provided. The wires are joined to the connectors to form multiple wire harnesses. The aforesaid circuit assembly is then installed within an upper and lower case assembly provided with lateral openings through which the wire harness can pass.Type: GrantFiled: April 12, 2002Date of Patent: April 18, 2006Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Shinji Kawakita, Yuuji Saka, Noriko Kobayashi
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Publication number: 20060030213Abstract: An electrical connection box includes: a case having an opening, the case housing a circuit forming board having a conductive path; a connector being attached to an attachment surface of the case at end side of the opening, the connector being mounted on the circuit forming board; a terminal fitting being attached to the connector and connected to the conductive path of the circuit forming board by soldering; and an attachment member being provided between the attachment surface of the case and the connector. The attachment member allows a displacement of the connector by pressing the connector against an attachment surface of the case.Type: ApplicationFiled: August 2, 2005Publication date: February 9, 2006Applicants: Autonetworks Technologies, LTD., Sumitomo Wiring Systems, LTD., Sumitomo Electric Industries, LTD.Inventors: Shinji Kawakita, Shigeki Yamane
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Publication number: 20060030173Abstract: An electrical connection box includes a case, a connector, a terminal fitting, a cover, and a restricting member. The case has an opening and houses a circuit forming board including a conductive path. The connector is mounted on the circuit forming board to face an outside from an opening end side of the case. The connector has a fitting surface which faces a board surface of the circuit forming board. The terminal fitting is attached to the connector. The terminal fitting is connected to the conductive path of the circuit forming board by soldering. The cover is attached to the opening of the case. The restricting member is provided with the cover and the connector. The restricting member can restrict a displacement of the connector in a direction where the connector is engaged with an opposing connector.Type: ApplicationFiled: August 1, 2005Publication date: February 9, 2006Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Shinji Kawakita, Shigeki Yamane
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Publication number: 20060030177Abstract: A terminal portion of non-implementation branch path branched from a input terminal is disposed within a fuse box. A switching member separated from the input terminal is implemented in an implementation branch path. The terminal portion of the non-implementation branch path is connected to one end terminal portion of the implementation branch path via fuse. The other end terminal portion of the implementation branch path is connected to tan output terminal fitting.Type: ApplicationFiled: August 4, 2005Publication date: February 9, 2006Applicants: AUTONETWORKS TECHNOLOGIES, LTD, SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Shinji Kawakita, Shigeki Yamane
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Publication number: 20050227542Abstract: An electrical connection box is to be attached to an attachment objective member. The electrical connection box includes: a circuit housing that accommodates a circuit substrate; a fuse box that detachably accommodates a fuse element, the fuse box being provided at an upper portion of the circuit housing in a state where the electrical connection box being attached to the attachment objective member; a plurality of bus bars that connect the circuit substrate and the fuse element; and a water-discharge channel that discharges water flowed into the fuse box to outside of the electrical connection box, the water-discharge channel being provided at a lower part of the bus bars in a state where the electrical connection box is attached to the attachment objective member, and at a position between the circuit housing and the fuse box.Type: ApplicationFiled: April 11, 2005Publication date: October 13, 2005Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hayato Fukushima, Shigeki Yamane, Tadashi Tomikawa, Shinji Kawakita
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Patent number: 6924985Abstract: A power module includes a heat radiating member, a power circuit section, a resin layer, and a case. The heat radiating member includes a circuit disposition surface. The power circuit section includes an external connection terminal and is disposed on the circuit disposition surface. The resin layer covers a part of the external connection terminal. The case is attached to the heat radiating member. The external connection terminal stands up from the heat radiating member. The case includes a hood, which has an opening at one end portion thereof. The external connection terminal is inserted into the hood. The resin layer prevents liquid from entering through the hood.Type: GrantFiled: July 2, 2003Date of Patent: August 2, 2005Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shinji Kawakita, Takahiro Onizuka
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Publication number: 20040004816Abstract: A power circuit section including electronic parts of a plurality of FETs and relays having leg terminals is arranged in a circuit arrangement region on a heat radiating member. A surrounding wall member having a seal member at a lower end face thereof and capable of surrounding the power circuit section 1 including the leg terminals of the electronic parts is attached to surround the circuit arrangement region in a state of bringing a seal member into close contact with a circuit arrangement surface. After a circuit arranging step and a surrounding wall forming step, a waterproofing resin in a liquid state is poured into a space surrounded by the surrounding wall member until at least the leg terminals of the electronic parts are sealed. The waterproof resin is cured to form a waterproofing layer for sealing the electronic parts.Type: ApplicationFiled: July 2, 2003Publication date: January 8, 2004Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Jun Yamaguchi, Shinji Kawakita, Takahiro Onizuka
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Publication number: 20040004818Abstract: A power module includes a heat radiating member, a power circuit section, a resin layer, and a case. The heat radiating member includes a circuit disposition surface. The power circuit section includes an external connection terminal and is disposed on the circuit disposition surface. The resin layer covers a part of the external connection terminal. The case is attached to the heat radiating member. The external connection terminal stands up from the heat radiating member. The case includes a hood, which has an opening at one end portion thereof. The external connection terminal is inserted into the hood. The resin layer prevents liquid from entering through the hood.Type: ApplicationFiled: July 2, 2003Publication date: January 8, 2004Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Shinji Kawakita, Takahiro Onizuka
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Publication number: 20040001319Abstract: A group of bus bars, forming a power circuit, are adhesively bonded to a surface of a control circuit board. Surface-mounting type relay switches are used as a switching unit for the power circuit. Contact-side terminals of each relay switch are mounted on the bus bar group while coil-side terminals thereof are mounted on the control circuit board. The opening and closing of relay contacts are controlled by a control circuit incorporated in the control circuit board.Type: ApplicationFiled: July 1, 2003Publication date: January 1, 2004Applicants: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shinji Kawakita, Takahiro Onizuka
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Publication number: 20020151197Abstract: A method is provided of connecting wires of a wiring harness to a junction box to form branch circuits. An electrical conductor material is formed in parallel strips in a Y-axis direction on one surface of an insulator board, and wires are arranged in an X-axis direction on the other side of the insulator board. A circuit assembly is formed by connecting the exposed cores of one end of the wires to the conductor material through openings provided in the insulator board. Connector terminals are installed at the other end of the wires that extend outward and away from the insulator board. Groups of wires are gathered and placed in same connectors in which joint terminals are provided. The wires are joined to the connectors to form multiple wire harnesses. The aforesaid circuit assembly is then installed within an upper and lower case assembly provided with lateral openings through which the wire harness can pass.Type: ApplicationFiled: April 12, 2002Publication date: October 17, 2002Applicant: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Shinji Kawakita, Yuuji Saka, Noriko Kobayashi
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Patent number: 6310293Abstract: An insulative plate is fixed to a bus bar stacked substrate by inserting projection formed on the bus bar into projection entry section, shaped like a covered box, on the insulative plate. By pressing the insulative plate onto the bus bar stacked substrate the projection is pushed into the projection entry section and the insulative plate is securely fixed to the bus bar.Type: GrantFiled: December 22, 1999Date of Patent: October 30, 2001Assignee: Sumitomo Wiring Systems, Ltd.Inventor: Shinji Kawakita