Patents by Inventor Katsuhiko Aizawa

Katsuhiko Aizawa 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: 20240313454
    Abstract: In a terminal unit a female terminal includes a first wall portion and a second wall portion arranged to face each other across a male terminal insertion gap, into which a male terminal is inserted and arranged. The male terminal includes a pair of inclined portions, inclined toward one side in a plate thickness direction of the male terminal on both sides in a plate width direction. The first wall portion includes a resilient contact portion 40 facing a surface of the male terminal on the one side in the plate thickness direction and projecting toward the second wall portion. The resilient contact portion is resiliently deformable in a direction separating from the second wall portion to bias the male terminal toward the second wall portion.
    Type: Application
    Filed: February 18, 2022
    Publication date: September 19, 2024
    Inventors: Yusuke YAMADA, Katsuhiko AIZAWA
  • Patent number: 12057654
    Abstract: A vehicle-side connector 1 includes a plurality of vehicle-side terminals 50, a connector housing 10 for holding the vehicle-side terminals 50 and heat storage materials 60 accommodated in the connector housing 10.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: August 6, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, Mie, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuki Hashimoto, Katsuhiko Aizawa, Akihiro Hayashi
  • Publication number: 20240154335
    Abstract: A terminal unit is provided with a male terminal and a female terminal. The female terminal includes a first wall portion and a second wall portion. The first wall portion includes a first resilient contact portion and a first contact point portion provided on the first resilient contact portion and to be brought into contact with a surface on one side of the male terminal. The first resilient contact portion biases the male terminal toward the second wall portion. The second wall portion includes a plurality of second resilient contact portions and a plurality of second contact point portions provided on the plurality of second resilient contact portions and to be brought into contact with a surface on the other side of the male terminal. The respective second resilient contact portions bias the male terminal toward the first wall portion.
    Type: Application
    Filed: March 1, 2022
    Publication date: May 9, 2024
    Inventors: Yusuke YAMADA, Katsuhiko AIZAWA
  • Publication number: 20240154366
    Abstract: Disclosed is a connector capable of improving heat dissipating performance while suppressing an increase in size.
    Type: Application
    Filed: March 1, 2022
    Publication date: May 9, 2024
    Inventors: Yusuke YAMADA, Katsuhiko AIZAWA, Kyohei IDA
  • Publication number: 20240128672
    Abstract: In a terminal unit, a second contact portion of a female terminal includes a push-up protrusion projecting toward a first contact portion and a pair of first projecting contact point portions, to be respectively brought into contact with a pair of inclined portions, of a male terminal. The male terminal includes an accommodation recess capable of accommodating the push-up protrusion. In an incomplete connection state, the male terminal is in contact with the push-up protrusion and pushed up toward the first contact portion, whereby the inclined portions of the male terminal are separated from the first projecting contact point portions of the female terminal. In a complete connection state, the inclined portions of the male terminal are pressed by the first projecting contact point portions of the female terminal.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 18, 2024
    Inventors: Yusuke YAMADA, Katsuhiko AIZAWA
  • Patent number: 11862888
    Abstract: A vehicle-side connector 1 includes a connector housing 10, a plurality of vehicle-side terminals 50 and heat storage bodies 70. The heat storage body 70 includes a case 71 accommodated in the connector housing 10 and heat storage materials 76 accommodated in the case 71.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: January 2, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuki Hashimoto, Katsuhiko Aizawa, Akihiro Hayashi
  • Patent number: 11824313
    Abstract: The present disclosure provides a connection terminal and a connector capable of suppressing a temperature increase during energization. A vehicle-side connector 10 includes a vehicle-side terminal 50 made of metal and a heat storage body 60 held in the vehicle-side terminal 50. The vehicle-side terminal 50 includes a terminal connecting portion 51 to be electrically connected to a charger-side terminal 82, a wire connecting portion 54 to be electrically connected to a wire 70 and a holding portion 56 integrally formed to the terminal connecting portion 51 and the wire connecting portion 54. The heat storage body 60 is held in the holding portion 56.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: November 21, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuki Hashimoto, Katsuhiko Aizawa, Akihiro Hayashi
  • Publication number: 20220285871
    Abstract: It is aimed to provide a female terminal of a novel structure having a large degree of freedom in setting a pressure contact force between a male terminal including a columnar connecting portion and a female terminal including a tubular connecting portion and capable of stably ensuring a large contact area between the male and female terminals. A female terminal 10 includes a tubular connecting portion 24 having a first peripheral wall portion 12 and a second peripheral wall portion 14 arranged to face each other and to be conductively connected to a cylindrical connecting portion 22 of a male terminal 20, a biasing means 64 for biasing the first and second peripheral wall portions 12, 14 in directions approaching each other, and an arcuate protrusion 34 provided on an inner surface 18 having an arcuate cross-section of at least one of the first and second peripheral wall portions 12, 14 and projecting radially inward while extending in a circumferential direction of the inner surface 18.
    Type: Application
    Filed: July 20, 2020
    Publication date: September 8, 2022
    Inventors: Seido NISHIJIMA, Katsuhiko AIZAWA, Kyohei IDA
  • Publication number: 20220216654
    Abstract: The present disclosure provides a connection terminal and a connector capable of suppressing a temperature increase during energization. A vehicle-side connector 10 includes a vehicle-side terminal 50 made of metal and a heat storage body 60 held in the vehicle-side terminal 50. The vehicle-side terminal 50 includes a terminal connecting portion 51 to be electrically connected to a charger-side terminal 82, a wire connecting portion 54 to be electrically connected to a wire 70 and a holding portion 56 integrally formed to the terminal connecting portion 51 and the wire connecting portion 54. The heat storage body 60 is held in the holding portion 56.
    Type: Application
    Filed: May 1, 2020
    Publication date: July 7, 2022
    Inventors: Yuki HASHIMOTO, Katsuhiko AIZAWA, Akihiro HAYASHI
  • Publication number: 20220131304
    Abstract: A vehicle-side connector 1 includes a plurality of vehicle-side terminals 50, a connector housing 10 for holding the vehicle-side terminals 50 and heat storage materials 60 accommodated in the connector housing 10.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 28, 2022
    Inventors: Yuki HASHIMOTO, Katsuhiko AIZAWA, Akihiro HAYASHI
  • Publication number: 20220069508
    Abstract: A vehicle-side connector 1 includes a connector housing 10, a plurality of vehicle-side terminals 50 and heat storage bodies 70. The heat storage body 70 includes a case 71 accommodated in the connector housing 10 and heat storage materials 76 accommodated in the case 71.
    Type: Application
    Filed: December 24, 2019
    Publication date: March 3, 2022
    Inventors: Yuki HASHIMOTO, Katsuhiko AIZAWA, Akihiro HAYASHI
  • Publication number: 20210126390
    Abstract: A terminal fitting to be connected to a mating terminal in a form of a flat plate, the terminal fitting including: a body including a pair of side walls arranged to face each other and a coupling wall coupling the pair of side walls and capable of accommodating the mating terminal inside; and an obliquely wound coil spring arranged along the coupling wall inside the body, electrically connected to the body and configured to resiliently contact the mating terminal accommodated inside the body.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 29, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Katsuhiko AIZAWA, Akihiro HAYASHI
  • Patent number: 9887479
    Abstract: A shield connector (10) includes a housing (20) with a spring accommodating portion (25) open on a facing surface (24), a fixing plate (50) to be fixed to the housing (20) and mounted on a case wall (71), and springs (60) to be arranged inside the spring accommodating portion (25). Each spring (60) includes a first support (63) and a second support (64) to be supported on the housing (20) and a resilient deformation portion (61) convexly curved toward the facing surface (24) and having a convex tip serving as a contact (62) projecting out from an opening of the housing (20) and to be brought into contact with the device-side terminal (73). The resilient deformation portion (61) includes slits (65) extending from a side connected to one of the first and second supports (63, 64) toward an opposite side across the contact portion (62).
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: February 6, 2018
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD
    Inventors: Junichi Mukuno, Katsuhiko Aizawa
  • Patent number: 9819120
    Abstract: A connector C to be mounted on a case of a device includes a coated wire 10 formed such that a core 11 is coated with an insulation coating 12, a terminal fitting 20 to be fit and connected to a mating terminal, a flexible conductor 15 interposed between the terminal fitting 20 and an end of the coated wire 10, and a housing 30 made of synthetic resin and accommodating the terminal fitting 20 together with the flexible conductor 15. The core 11 of the coated wire 10 is provided with a core fixing portion 25 integrated with the core 11 and the core fixing portion 25 is embedded in the housing 30 by molding.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: November 14, 2017
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Junichi Mukuno, Katsuhiko Aizawa, Kenichi Kitaoka, Shuzo Yukawa
  • Publication number: 20170229808
    Abstract: A connector C to be mounted on a case of a device includes a coated wire 10 formed such that a core 11 is coated with an insulation coating 12, a terminal fitting 20 to be fit and connected to a mating terminal, a flexible conductor 15 interposed between the terminal fitting 20 and an end of the coated wire 10, and a housing 30 made of synthetic resin and accommodating the terminal fitting 20 together with the flexible conductor 15. The core 11 of the coated wire 10 is provided with a core fixing portion 25 integrated with the core 11 and the core fixing portion 25 is embedded in the housing 30 by molding.
    Type: Application
    Filed: September 17, 2015
    Publication date: August 10, 2017
    Inventors: Junichi Mukuno, Katsuhiko Aizawa, Kenichi Kitaoka, Shuzo Yukawa
  • Publication number: 20170149159
    Abstract: A shield connector (10) includes a housing (20) with a spring accommodating portion (25) open on a facing surface (24), a fixing plate (50) to be fixed to the housing (20) and mounted on a case wall (71), and springs (60) to be arranged inside the spring accommodating portion (25). Each spring (60) includes a first support (63) and a second support (64) to be supported on the housing (20) and a resilient deformation portion (61) convexly curved toward the facing surface (24) and having a convex tip serving as a contact (62) projecting out from an opening of the housing (20) and to be brought into contact with the device-side terminal (73). The resilient deformation portion (61) includes slits (65) extending from a side connected to one of the first and second supports (63, 64) toward an opposite side across the contact portion (62).
    Type: Application
    Filed: May 18, 2015
    Publication date: May 25, 2017
    Inventors: Junichi Mukuno, Katsuhiko Aizawa
  • Publication number: 20160343496
    Abstract: A harness clamp 1 is to be mounted on an outer peripheral surface of a tubular member covering a wire extending from a connector and includes a hollow tubular main body portion 10 composed of two cases 11, 12 forming an annular opening 10A at each of both ends of the main body portion 10 in a tube axial direction in a state held in contact with each other and held on a corrugated tube 4 by sandwiching the outer peripheral surface of the corrugated tube 4 in the opening 10A at each of the both ends of the main body portion 10 in the tube axial direction, ferrite cores 20 respectively accommodated in the cases 11, 12 and impact absorbing materials 30 respectively arranged to be interposed between the cases 11, 12 and the ferrite cores 20.
    Type: Application
    Filed: February 9, 2015
    Publication date: November 24, 2016
    Inventors: Junichi Mukuno, Akihiro Hayashi, Katsuhiko Aizawa, Kenichi Kitaoka
  • Patent number: 9496636
    Abstract: A female terminal (10) includes a tubular portion (14) into which a male terminal (11) is to be inserted, a plurality of first resilient pieces (23) projecting inwardly of the tubular portion (14) from a bottom wall (15) of the tubular portion (14) and arranged side by side in a direction intersecting with an inserting direction of the male terminal (11) into the tubular portion (14), and a plurality of contact portions (28) arranged at positions of the tubular portion (14) respectively corresponding to the plurality of first resilient pieces (23) and configured to sandwich the male terminal (11) between the plurality of resilient pieces (23) and the contact portions. Since this enables each first resilient piece (23) to apply a proper contact pressure to the male terminal (11), the male terminal (11) is pressed against the second contact portions (28) at a proper contact pressure.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: November 15, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Masafumi Uno, Kanji Horiuchi, Yoshitomo Tsujii, Katsuhiko Aizawa, Kensaku Takata
  • Patent number: 9455525
    Abstract: A connector (10) to be mounted on end portions of wires (16) includes first terminals (19) connected to the end portions of the wires (16), second terminals (23) electrically connected to the first terminals (19) via flexible conductive members (29) and connected to terminals of a mating connector (CN), and a housing (33) for accommodating the first terminals (19) and the second terminals (23).
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: September 27, 2016
    Assignees: Autonetworks Technologies, LTD., Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Masafumi Uno, Yoshitomo Tsujii, Katsuhiko Aizawa, Kensaku Takata, Hiroyuki Matsuoka, Tomokazu Kashiwada, Kiyotaka Itsuki
  • Patent number: 9444168
    Abstract: A socket terminal (10) to be fitted and connected to a mating pin terminal (20) includes a tubular portion (11) to be fitted to the pin terminal (20). The tubular portion (11) includes a base portion (12) provided on a side opposite to a fitting starting end to the pin terminal (20) and a plurality of terminal pieces (13) extending in an axial direction of the tubular portion (11) from the base portion (12) toward the pin terminal (20), spaced apart in a circumferential direction of the tubular portion (11) and capable of resiliently coming into contact with the outer peripheral surface of the pin terminal (20) fitted in the tubular portion (11). The base portion (12) includes a plurality of terminal pieces (16) projecting toward the pin terminal (20) radially of the tubular portion (11) and configured to hold the outer peripheral surface of the pin terminal (20).
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: September 13, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kanji Horiuchi, Kensaku Takata, Masafumi Uno, Yoshitomo Tsujii, Katsuhiko Aizawa