Patents by Inventor Naomichi Kawashima

Naomichi Kawashima 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: 20230335937
    Abstract: It is an object of the present disclosure to provide a technique for facilitating the insertion of a sealing member-equipped electric wire into a connector housing. The connector housing includes: a housing main body that is provided with a cavity. The cavity includes a first portion that includes one opening portion of the cavity, a second portion that includes the other opening portion of the cavity, and a third portion that is located between the first portion and the second portion. The first portion has a polygonal horizontal cross section, and the third portion has a circular horizontal cross section that is smaller than the horizontal cross section of the first portion.
    Type: Application
    Filed: February 25, 2021
    Publication date: October 19, 2023
    Inventors: Yoshitaka IKEDA, Kosuke SONE, Takahiro MARUYAMA, Yasuto TAKEDA, Tomoyuki KONDO, Naomichi KAWASHIMA
  • Publication number: 20230170640
    Abstract: Provided is a female terminal fitting that can realize a state in which an elastic contact piece stably engages a main body part. A female terminal fitting includes a tubular main body part and an elastic contact piece that is provided inside the main body part and deflectively deforms in the plate thickness direction. The main body part has a right side plate. The right side plate is provided with a right rear opening. An edge part of the right rear opening is provided with a first regulating part bent to the inner side of the main body part. The elastic contact piece has a rear side projecting part positioned in the right rear opening and a region opposing the first regulating part in the plate thickness direction of the elastic contact piece together with the rear side projecting part.
    Type: Application
    Filed: March 24, 2021
    Publication date: June 1, 2023
    Inventors: Yutaka NORO, Tetsuo NAWA, Naomichi KAWASHIMA, Takahiro TSUCHIYA
  • Publication number: 20230095233
    Abstract: The lever includes a cam plate portion. A cam groove to be engaged with a cam pin provided on the mating connector is provided to penetrate through the cam plate portion. A reinforcing rib is provided to cover the cam pin and extend over the cam groove near an entrance opening of the cam groove, into which the cam pin enters. The connector housing includes lever protection walls. The lever protection walls are provided to project from both side walls of the connector housing to come into contact with an outer edge part of the cam plate portion located outside the cam groove with respect to a rotary shaft when the lever is at the connection start position.
    Type: Application
    Filed: January 25, 2021
    Publication date: March 30, 2023
    Inventor: Naomichi KAWASHIMA
  • Publication number: 20230015288
    Abstract: A terminal-equipped wire 1 is provided with a terminal 10 and a coated wire W pulled out rearward from the terminal 10. The terminal 10 includes a wire barrel portion 20 to be crimped to a core wire W1 in an end of the coated wire W. The wire barrel portion 20 includes a crimping bottom surface 22 and a pair of wire barrel pieces 21 extending from both side edges of the crimping bottom surface 22. A front end part of the core wire W1 is covered by front end parts of the pair of wire barrel pieces 21 of the wire barrel portion 20. A confirmation hole 40 enabling confirmation of the front end part of the core wire W1 is provided in the crimping bottom surface 22 of the wire barrel portion 20.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 19, 2023
    Inventors: Takuya OSHITA, Naomichi KAWASHIMA
  • Patent number: 11202373
    Abstract: A connector device that includes a circuit board; a connector attached to the circuit board; and a molded resin that covers the entire circuit board and part of the connector, wherein: a housing of the connector contains a resin material and fibrous inorganic fillers, a groove is formed in a region of a surface of the housing that is covered with the molded resin, the groove being formed by removing the resin material with the inorganic fillers remaining, and extending in a direction that intersects a mounting direction in which a counterpart connector is to be mounted to the connector, the groove has a depth and a width in a range from 50 ?m to 150 ?m inclusive, and the groove is filled with the molded resin.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: December 14, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yu Muronoi, Naomichi Kawashima, Tatsuo Hirabayashi, Seiji Hashimoto, Iori Kobayashi, Yoshiaki Kado
  • Patent number: 11189963
    Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 30, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
  • Patent number: 11165177
    Abstract: A board connector (A) has a housing (10) placed on a circuit board (P). The board connector (A) includes a terminal holding portion (11) and a receptacle (13) extending forward from an outer peripheral edge of the terminal holding portion (11). Terminal fittings (25, 26) are mounted while penetrating through the terminal holding portion (11) and are connectable to the circuit board (P) while being placed on the circuit board (P) behind the terminal holding portion (11). Locks (19) are formed on the housing (10) and restrict a forward tiling displacement of the housing (10) by being locked to the circuit board (P).
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: November 2, 2021
    Inventors: Naomichi Kawashima, Hirokazu Komori
  • Patent number: 11153974
    Abstract: A connector device that includes a circuit board; a connector attached to the circuit board; a plurality of collars for external attachment; a first molded resin that is made of a first resin material whose melting point or softening point is 230° C. or less, and covers the entire circuit board and part of the connector; and a second molded resin that is welded to the first molded resin, is made of a second resin material whose melting point or softening point is higher than that of the first resin material for the first molded resin, and covers outer circumferences of the collars.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 19, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yu Muronoi, Naomichi Kawashima, Masayuki Kato, Takeo Uchino, Akihiko Matsuoka, Tatsuo Hirabayashi
  • Patent number: 11139607
    Abstract: A connector (1) is provided with an inner housing (20) to be fit to an inner periphery of a mating housing (M) and an outer housing (30) fittable to an outer periphery of the mating housing (M). The outer housing (30) is held on the inner housing (20) by first locks (50) before connection to the mating housing (M), is held connected to the mating housing (M) by a second lock (60) at the time of connection to the mating housing M, and is separated from the inner housing (20) and held connected to the mating housing (M) by releasing the first locks (50) at the time of separation from the mating housing (M).
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: October 5, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito
  • Publication number: 20210175661
    Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 10, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
  • Publication number: 20210104830
    Abstract: A board connector (A) has a housing (10) placed on a circuit board (P). The board connector (A) includes a terminal holding portion (11) and a receptacle (13) extending forward from an outer peripheral edge of the terminal holding portion (11). Terminal fittings (25, 26) are mounted while penetrating through the terminal holding portion (11) and are connectable to the circuit board (P) while being placed on the circuit board (P) behind the terminal holding portion (11). Locks (19) are formed on the housing (10) and restrict a forward tiling displacement of the housing (10) by being locked to the circuit board (P).
    Type: Application
    Filed: April 9, 2018
    Publication date: April 8, 2021
    Inventors: Naomichi Kawashima, Hirokazu Komori
  • Patent number: 10971841
    Abstract: A board connector (A) is provided with a housing (10) placed on a circuit board (P) and including a terminal holding wall (11) substantially at a right angle to the circuit board (P) and supporting walls (15) extending rearward from sides of the terminal holding wall (11). Terminal fittings (25, 26) penetrate through the terminal holding wall (11) and are connectable to the circuit board (P) behind the terminal holding portion (11). Fixing brackets are mounted on the supporting walls (15) and are fixable to the circuit board (P) by soldering. A reinforcing portion (20: 21 or 23) links the supporting walls (15) and a rear surface of the terminal holding wall (11).
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: April 6, 2021
    Inventors: Naomichi Kawashima, Hirokazu Komori
  • Patent number: 10973137
    Abstract: An ECU 1 includes a circuit board 10, a connector 20 fixed to the circuit board 10 and a resin portion 50 covering the circuit board 10 and the connector 20. The connector 20 includes a housing body 22 and a cut-off receiving portion 27 projecting from the housing body 22. The cut-off receiving portion 27 includes a flange portion 28 projecting outward from the housing body 22 and a flexible wall 29 extending from the flange portion 28 and inclined to be closer to the housing body 22 toward a tip, and a part of the flexible wall 29 is embedded in the resin portion 50.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 6, 2021
    Inventors: Hirokazu Komori, Naomichi Kawashima, Hiroki Hirai, Makoto Higashikozono, Masanori Moriyasu
  • Patent number: 10931046
    Abstract: An ECU (1) includes a circuit board (10), a connector (20) fixed to the circuit board (10), and a resin portion (50) covering the circuit board (10) and the connector (20). The connector (20) includes a connector housing (21) having a terminal holding wall (22) that separates the internal space from the external space, and terminal fittings (41) extend through the terminal holding wall (22). The connector housing (21) includes a surrounding wall (27) disposed on the lateral surface of the terminal holding wall (22) to surround the terminal fittings (41). A potting material (28) is disposed inside the surrounding wall (27) and separates the terminal holding wall (22) from the resin portion (50). This can prevent a melted resin from entering a hood (24) through press fitting holes (23) at the time of forming the resin portion (50) by mold forming.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: February 23, 2021
    Inventors: Hirokazu Komori, Hisashi Sawada, Naomichi Kawashima, Hirokazu Eguchi
  • Patent number: 10855022
    Abstract: A connector (10) includes a connector housing (12) fittable to a mating connector (11), a wire cover (14) disposed at a position spaced apart rearward from the connector housing (12) in a fitting direction to the mating connector (11) and configured to cover wires (13) drawn out rearward in the fitting direction from the connector housing (12), and a service cover (15) assembled over the connector housing (12) and the wire cover (14).
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: December 1, 2020
    Inventors: Hirokazu Komori, Naomichi Kawashima
  • Patent number: 10811818
    Abstract: A wire holding structure (11) for wires (10) includes wires (10), a rubber plug (34) having wire through holes (35) having the wires (10) passed therethrough, a housing (22) externally fit to the rubber plug (34) and a wire cover (15) configured to cover the housing (22). The wire cover (15) includes an opening (24), and the housing (22) includes a lid (33) shaped to correspond to the opening (24) and configured to close the opening (24).
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: October 20, 2020
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Hirokazu Komori, Tomohiko Kobayashi, Naomichi Kawashima, Takahiro Murata
  • Publication number: 20200313345
    Abstract: A connector device that includes: a circuit board; a connector attached to the circuit board; and a molded resin that covers the entire circuit board and part of the connector, wherein: a housing of the connector is made of a liquid crystal polymer or a poly phenylene sulfide resin, and the molded resin is made of a polyamide resin or a polyester resin whose melting point or softening point is 230° C. or less.
    Type: Application
    Filed: March 12, 2020
    Publication date: October 1, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yu MURONOI, Naomichi KAWASHIMA, Tatsuo HIRABAYASHI, Seiji HASHIMOTO, Iori KOBAYASHI, Yoshiaki KADO
  • Publication number: 20200315026
    Abstract: A connector device that includes a circuit board; a connector attached to the circuit board; and a molded resin that covers the entire circuit board and part of the connector, wherein: a housing of the connector contains a resin material and fibrous inorganic fillers, a groove is formed in a region of a surface of the housing that is covered with the molded resin, the groove being formed by removing the resin material with the inorganic fillers remaining, and extending in a direction that intersects a mounting direction in which a counterpart connector is to be mounted to the connector, the groove has a depth and a width in a range from 50 ?m to 150 ?m inclusive, and the groove is filled with the molded resin.
    Type: Application
    Filed: March 12, 2020
    Publication date: October 1, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yu MURONOI, Naomichi KAWASHIMA, Tatsuo HIRABAYASHI, Seiji HASHIMOTO, Iori KOBAYASHI, Yoshiaki KADO
  • Publication number: 20200315027
    Abstract: A connector device that includes a circuit board; a connector attached to the circuit board; a plurality of collars for external attachment; a first molded resin that is made of a first resin material whose melting point or softening point is 230° C. or less, and covers the entire circuit board and part of the connector; and a second molded resin that is welded to the first molded resin, is made of a second resin material whose melting point or softening point is higher than that of the first resin material for the first molded resin, and covers outer circumferences of the collars.
    Type: Application
    Filed: March 13, 2020
    Publication date: October 1, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yu MURONOI, Naomichi KAWASHIMA, Masayuki KATO, Takeo UCHINO, Akihiko MATSUOKA, Tatsuo HIRABAYASHI
  • Publication number: 20200274285
    Abstract: A connector (1) is provided with an inner housing (20) to be fit to an inner periphery of a mating housing (M) and an outer housing (30) fittable to an outer periphery of the mating housing (M). The outer housing (30) is held on the inner housing (20) by first locks (50) before connection to the mating housing (M), is held connected to the mating housing (M) by a second lock (60) at the time of connection to the mating housing M, and is separated from the inner housing (20) and held connected to the mating housing (M) by releasing the first locks (50) at the time of separation from the mating housing (M).
    Type: Application
    Filed: November 6, 2018
    Publication date: August 27, 2020
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito