Patents by Inventor Masanori Kuwahara

Masanori Kuwahara 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).

  • Publication number: 20230271568
    Abstract: A wire harness unit including: a conduction path that conducts electricity between in-vehicle devices; and a cooling tube that cools the conduction path, wherein: the conduction path has a hollow tubular conductor having conductivity, the cooling tube is more flexible than the tubular conductor and is separate from the tubular conductor, the cooling tube is connected to an end of the tubular conductor, and the tubular conductor and the cooling tube are configured to circulate a cooling medium therethrough.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 31, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeo MARUCHI, Masanori KUWAHARA, Yuichi KIMOTO
  • Publication number: 20230234520
    Abstract: A wire harness unit including: a conduction path that conducts electricity between in-vehicle devices; and a cooling tube that cools the conduction path, wherein: the conduction path has a hollow tubular conductor having conductivity, and a first insulating layer covered by the tubular conductor, the cooling tube is configured to circulate a refrigerant therethrough and is separate from the tubular conductor, and the cooling tube passes through the first insulating layer.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 27, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeo MARUCHI, Masanori KUWAHARA, Yuichi KIMOTO
  • Publication number: 20230230723
    Abstract: A wire harness unit including: a conduction path that conducts electricity between in-vehicle devices; and a cooling tube that cools the conduction path, wherein: the conduction path has a hollow tubular conductor having conductivity, and a tubular first insulating layer covered by the tubular conductor, and the first insulating layer is the cooling tube and configured to circulate a cooling medium therethrough.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 20, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeo MARUCHI, Masanori KUWAHARA, Yuichi KIMOTO
  • Publication number: 20230192014
    Abstract: A wire harness unit including: a conductive path for conducting electricity between in-vehicle devices, the conductive path including a conductive hollow tubular conductor, a flexible conductor that is more flexible than the tubular conductor, and a terminal; and a cooling tube through which a coolant is flowable for cooling the conductive path and that is separate from the tubular conductor, wherein: the tubular conductor is more rigid than the cooling tube, the flexible conductor includes a first end that is electrically connected to the tubular conductor, and a second end that is electrically connected to the terminal, and the cooling tube extends through the tubular conductor, and further extends through the flexible conductor between the first end and the second end of the flexible conductor.
    Type: Application
    Filed: May 27, 2021
    Publication date: June 22, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeo MARUCHI, Masanori KUWAHARA, Yuichi KIMOTO
  • Publication number: 20170271047
    Abstract: A shielded conductor that prevents electrical corrosion from occurring in braided wires and a shield pipe. Separate from a shield pipe that is made of aluminium, a sub pipe that is tin-plated is provided, and an end-portion braided member that is tin-plated is connected to the sub pipe. The shield pipe and the sub pipe are connected by a braided relay member, and the connection portions between the pipes and the braided relay member are accommodated in a grommet in a state of being sealed. A rubber stopper for sealing a space between the sub pipe and the electrical wires (W) is fitted into the sub pipe.
    Type: Application
    Filed: March 9, 2017
    Publication date: September 21, 2017
    Inventors: Yuji TANAKA, Masanori KUWAHARA
  • Patent number: 9676348
    Abstract: A shield conductive path may include a tubular shield portion that surrounds a plurality of electric wires. The shield conductive path may further include a partition portion that partitions an interior space of the shield portion into a plurality of electrical wire insertion paths. A specific electrical wire may be inserted through a specific electrical wire insertion path of the plurality of electrical wire insertion paths and may be guided out from a guiding-out opening formed in the shield portion, to the outside of the shield portion, and this guiding-out opening can be formed within an area, of the shield portion, provided with the partition portion.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: June 13, 2017
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hidetoshi Sugino, Masanori Kuwahara, Hidehiko Iwakawa
  • Patent number: 9504193
    Abstract: A shielded conductive path that can facilitate manufacturing operations is provided. A shielded conductive path includes a shielding pipe that is configured to have a tubular shape into which an electric wire can be inserted, by combining together a pair of divided bodies into which the shielding pipe is divided along its axis, and an overlapping fitting portion that is provided at a joint portion of the pair of divided bodies and allows the pair of divided bodies to be fitted to each other while overlapping each other in an inside-outside direction when the pair of divided bodies are combined together. Thus, the operations for manufacturing the shielded conductive path can be performed easily.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: November 22, 2016
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hidetoshi Sugino, Masanori Kuwahara, Hidehiko Iwakawa
  • Patent number: 9327661
    Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe, and constitutes a protrusion forming, on either the internal or external surface of the electric-wire protection pipe, a ridge line extending along the longitudinal direction of the electric-wire protection pipe, and a groove extending along the longitudinal direction of the electric-wire protection pipe on the other surface. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and that is flattened by press working.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 3, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yasushi Itani, Fujio Sonoda, Naoki Aoyama, Yuichi Kimoto, Masanori Kuwahara, Yoshinori Sugimoto
  • Patent number: 9331461
    Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while reducing or even preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section (11) and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe while extending along the entire length in the longitudinal direction of the electric-wire protection pipe, and that is thicker than other sections. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and is flattened by press working.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 3, 2016
    Assignees: SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: Yasushi Itani, Fujio Sonoda, Naoki Aoyama, Yuichi Kimoto, Masanori Kuwahara, Yoshinori Sugimoto
  • Publication number: 20150263496
    Abstract: Embodiments of the present application are directed to a shield conductive path that can reduce the height of a shield pipe, and eliminate the need of installation of new equipment. A shield conductive path includes a metal shield pipe that surrounds and shields an electrical wire, and has the cross-sectional shape such that a portion on the upper or lower side of the shield pipe when it is arranged in a vehicle is cut away, and the remaining portion has a shape that corresponds to the shape of a substantially perfect circle. With this, it is possible to reduce the height of the shield pipe, and to eliminate the need of installation of new equipment.
    Type: Application
    Filed: February 20, 2015
    Publication date: September 17, 2015
    Inventors: Hidetoshi SUGINO, Masanori KUWAHARA, Hidehiko IWAKAWA
  • Publication number: 20150250079
    Abstract: A shielded conductive path that can facilitate manufacturing operations is provided. A shielded conductive path includes a shielding pipe that is configured to have a tubular shape into which an electric wire can be inserted, by combining together a pair of divided bodies into which the shielding pipe is divided along its axis, and an overlapping fitting portion that is provided at a joint portion of the pair of divided bodies and allows the pair of divided bodies to be fitted to each other while overlapping each other in an inside-outside direction when the pair of divided bodies are combined together. Thus, the operations for manufacturing the shielded conductive path can be performed easily.
    Type: Application
    Filed: February 11, 2015
    Publication date: September 3, 2015
    Inventors: Hidetoshi SUGINO, Masanori KUWAHARA, Hidehiko IWAKAWA
  • Publication number: 20150246647
    Abstract: A shield conductive path may include a tubular shield portion that surrounds a plurality of electric wires. The shield conductive path may further include a partition portion that partitions an interior space of the shield portion into a plurality of electrical wire insertion paths. A specific electrical wire may be inserted through a specific electrical wire insertion path of the plurality of electrical wire insertion paths and may be guided out from a guiding-out opening formed in the shield portion, to the outside of the shield portion, and this guiding-out opening can be formed within an area, of the shield portion, provided with the partition portion.
    Type: Application
    Filed: February 10, 2015
    Publication date: September 3, 2015
    Inventors: Hidetoshi SUGINO, Masanori KUWAHARA, Hidehiko IWAKAWA
  • Patent number: 9089048
    Abstract: An electromagnetic shielding device includes a conductive sheet that is a sheet-shaped flexible conductive member that can be deformed into a tube shape, and an outer edge portion coupling member that keeps the conductive sheet in a tube shape in a state in which a first outer edge portion and a second outer edge portion of the conductive sheet are joined together, the second outer edge portion being located on the side opposite to the first outer edge portion. For example, a parallel slit group is formed in the conductive sheet, the parallel slit group being constituted by a plurality of slits that extend in a direction that crosses a first direction from the first outer edge portion toward the second outer edge portion and that are lined up in the first direction.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 21, 2015
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yasushi Itani, Fujio Sonoda, Naoki Aoyama, Yuichi Kimoto, Masanori Kuwahara, Yoshinori Sugimoto
  • Patent number: 9082529
    Abstract: A shield conductor is provided with electrical wires and a metal pipe that encloses the electrical wires and whose outer peripheral surface is covered with an orange (color other than a metallic color) resin layer. The pipe is routed so that at least a portion passes in proximity to an exhaust pipe of a vehicle. A section of the pipe passing in proximity to the exhaust pipe that faces the exhaust pipe does not have the resin layer and the metallic-colored outer peripheral surface of the section remains exposed.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: July 14, 2015
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Katsutoshi Izawa, Masanori Kuwahara, Sonoda Fujio, Yasushi Itani, Yoshinori Sugimoto, Naoki Aoyama
  • Patent number: 8981225
    Abstract: A shield conductor includes: an electrical wire; a tubular shield member that encloses the electrical wire and is configured such that an end portion of a pipe made of metal is fit to an end portion of a tubular accordion member made of metal; a swage ring that is attached at a portion where the end portion of the pipe is fit to the end portion of the tubular accordion member, and constricts the end portion of the pipe and the end portion of the tubular accordion member from outside; a conductor ring that is arranged between the pipe and the tubular accordion member, has an inner circumferential face that faces the pipe and an outer circumferential face that faces the tubular accordion member, and has electrical conductivity; and a plurality of protrusion/recession portions formed on the inner circumferential face and the outer circumferential face.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: March 17, 2015
    Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Katsutoshi Izawa, Masanori Kuwahara, Fujio Sonoda, Yasushi Itani, Yoshinori Sugimoto, Naoki Aoyama
  • Publication number: 20140374134
    Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while reducing or even preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section (11) and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe while extending along the entire length in the longitudinal direction of the electric-wire protection pipe, and that is thicker than other sections. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and is flattened by press working.
    Type: Application
    Filed: December 12, 2012
    Publication date: December 25, 2014
    Inventors: Yasushi Itani, Fujio Sonoda, Naoki Aoyama, Yuichi Kimoto, Masanori Kuwahara, Yoshinori Sugimoto
  • Publication number: 20140360771
    Abstract: An electromagnetic shielding device includes a conductive sheet that is a sheet-shaped flexible conductive member that can be deformed into a tube shape, and an outer edge portion coupling member that keeps the conductive sheet in a tube shape in a state in which a first outer edge portion and a second outer edge portion of the conductive sheet are joined together, the second outer edge portion being located on the side opposite to the first outer edge portion. For example, a parallel slit group is formed in the conductive sheet, the parallel slit group being constituted by a plurality of slits that extend in a direction that crosses a first direction from the first outer edge portion toward the second outer edge portion and that are lined up in the first direction.
    Type: Application
    Filed: December 19, 2012
    Publication date: December 11, 2014
    Inventors: Yasushi Itani, Fujio Sonoda, Naoki Aoyama, Yuichi Kimoto, Masanori Kuwahara, Yoshinori Sugimoto
  • Publication number: 20140326479
    Abstract: It is an object of the exemplary embodiments to obtain a long electric-wire protection pipe having a flat outer shape, using a simple press working process, while preventing warping problems. An electric-wire protection pipe is a metal pipe that surrounds an electric wire, and has a reinforced section and a flat pipe section. The reinforced section is a section that is located at a part in the circumferential direction of the electric-wire protection pipe, and constitutes a protrusion forming, on either the internal or external surface of the electric-wire protection pipe, a ridge line extending along the longitudinal direction of the electric-wire protection pipe, and a groove extending along the longitudinal direction of the electric-wire protection pipe on the other surface. The flat pipe section is a section that constitutes at least a part in the longitudinal direction of the electric-wire protection pipe, and that is flattened by press working.
    Type: Application
    Filed: December 12, 2012
    Publication date: November 6, 2014
    Inventors: Yasushi Itani, Fujio Sonoda, Naoki Aoyama, Yuichi Kimoto, Masanori Kuwahara, Yoshinori Sugimoto
  • Publication number: 20130319720
    Abstract: A protector protects a portion of an electric wire extending from an end portion of a metal pipe to an end portion of a casing. The protector includes tubular outer layer, tubular flexible shield, first fixing, and second fixing members. The outer layer member is made of flexible insulation and extends from the end portion of the metal pipe to the end portion of the casing. The shield member is arranged along an inner surface of the outer layer member and integrally with the outer layer member. The shield member is made of a conductive material. The first fixing member is connected to a first connecting portion of an inner surface of the shield member to which the metal pipe is connected. The second fixing member is connected to a second connecting portion of the inner surface of the shield member to which the casing is connected.
    Type: Application
    Filed: February 22, 2012
    Publication date: December 5, 2013
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Naoki Aoyama, Masanori Kuwahara, Fujio Sonoda, Yasushi Itani, Yoshinori Sugimoto, Katsutoshi Izawa
  • Publication number: 20130306346
    Abstract: A shield conductor includes wires, a tubular shield member, and a tightening ring. The tubular shield member includes a metal pipe and a metal tubular accordion-shaped member. An end portion of the pipe is fitted to an end portion of the tubular accordion-shaped member. The tubular shield member surrounds the wires. The tightening ring is attached to an end portion of the tubular accordion-shaped member to which the end portion of the pipe is fitted, and the end portion of the pipe and the end portion of the tubular accordion-shaped member are tightened up from their outer peripheral side by the tightening ring. At least one slit is provided in a portion of the tubular accordion-shaped member that is tightened up the by the tightening ring. The slit is cut in from an opening end of the tubular accordion-shaped member.
    Type: Application
    Filed: February 23, 2012
    Publication date: November 21, 2013
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Katsutoshi Izawa, Masanori Kuwahara, Fujio Sonoda, Yasushi Itani, Yoshinori Sugimoto, Naoki Aoyama