Patents by Inventor Yukihiro Fukatsu

Yukihiro Fukatsu 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).

  • Patent number: 11728589
    Abstract: A connector 10 includes a first housing 11 and a second housing 12 to be coupled to each other. The first and second housings 11, 12 respectively include a first wall 24 and a second wall 44 partitioning between the first and second housings 11, 12. The first housing 11 includes a first cavity 13, a reference portion 27 constituting a part of the first wall, 24 and a first opening 29 communicating with the first cavity 13. The second housing 12 includes a restricting portion 47 constituting a part of the second wall 44. The restricting portion 47 projects into the first cavity 13 from the first opening 29 beyond the reference portion 27, and a tip thereof in a projecting direction is arranged to face an end part of a wire 30.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: August 15, 2023
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yukihiro Fukatsu, Shinji Iihoshi, Tomohisa Uchida, Takeshi Suzuki
  • Patent number: 11509097
    Abstract: A connector includes a first housing and a second housing having facing surfaces facing each other. One of the first and second housings includes a receiving portion open forward in a front end part and the other includes a rotating portion to be arranged in the receiving portion in the front end part. The second housing is rotated with respect to the first housing about an axis passing through the rotating portion in the receiving portion along a width direction and is coupled to the first housing. The first housing includes a lock receiving portion open forward and rearward in the front end part. The second housing includes a locking portion projecting toward the first housing and to be fit to the lock receiving portion in the front end part. The locking portion includes a wide restricting portion, and the lock receiving portion includes a wide restriction receiving portion.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 22, 2022
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Shinji Iihoshi, Takeshi Suzuki
  • Patent number: 11462857
    Abstract: A first housing 10 is arranged in a mounting hole 91 of a panel 90. The first housing 10 includes a base portion 27, a coupling portion 28 located forward of the base portion 27, a linking portion 29 linking between the base portion 27 and the coupling portion 28, and a lock arm 30 projecting rearward toward the base portion 27 from the coupling portion 28. The lock arm 30 has a lock surface 34 to be arranged to contact a front surface of the panel 90. The lock arm 30 and the linking portion 29 are both shaped to be resiliently deformable.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: October 4, 2022
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yukihiro Fukatsu, Asuka Hanji, Kazuo Nakai, Masahiro Nakashima
  • Patent number: 11456559
    Abstract: A rubber plug A includes a tubular seal functioning portion 10 through which a wire 20 is passed, and a tubular portion 15 through which the wire 20 is passed. The seal functioning portion 10 exhibits a sealing function by being held resiliently in close contact with an inner peripheral surface of a terminal accommodation chamber 29 and an outer peripheral surface of the wire 20. The tubular portion 15 is disposed behind the seal functioning portion 10. Weight portions 16 relatively displaceable with respect to the tubular portion 15 are formed on the outer periphery of the tubular portion 15.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 27, 2022
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Namiki Tsukada, Yukihiro Fukatsu
  • Patent number: 11431124
    Abstract: A rubber plug has a tubular sealing function portion that allows an electric wire to pass through the tubular sealing function portion and a tubular low-rigidity portion that allows the electric wire to pass through the low-rigidity portion. The sealing function portion exhibits sealing performance by elastically coming into close contact with the inner peripheral surface of the terminal accommodating chamber and the outer peripheral surface of the electric wire. The low-rigidity portion has a lower rigidity than the sealing function portion, and is arranged rearward of the sealing function portion.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: August 30, 2022
    Assignees: SUMITOMO WIRING SYSTEMS, LTD., HONDA MOTOR CO., LTD.
    Inventors: Ryo Oomori, Yukihiro Fukatsu, Daichi Ikeda, Naoki Kobayashi
  • Publication number: 20220069509
    Abstract: A connector A is provided with a pair of housings 10, 30 each including a plurality of terminal accommodation chambers 12, 32 arranged in a width direction, the housings 10, 30 being stacked and assembled such that arrangement directions of the terminal accommodation chambers 12, 32 are parallel to each other, communicating portions 23, 37 open in facing surfaces 21, 35 of the pair of housings 10, 30 facing each other and allowing the terminal accommodation chambers 12, 32 adjacent in the width direction to communicate with each other, a plurality of terminal fittings 15 connected to front end parts of wires 14 and individually accommodated in the plurality of terminal accommodation chambers 12, 32, and recesses 24, 38 formed in regions in front of front ends of the communicating portions 23, 37, out of the facing surfaces 21, 35.
    Type: Application
    Filed: August 23, 2021
    Publication date: March 3, 2022
    Inventors: Yukihiro FUKATSU, Shinji IIHOSHI, Tomohisa UCHIDA, Takeshi SUZUKI
  • Publication number: 20220069510
    Abstract: A connector 10 includes a first housing 11 and a second housing 12 to be coupled to each other. The first and second housings 11, 12 respectively include a first wall 24 and a second wall 44 partitioning between the first and second housings 11, 12. The first housing 11 includes a first cavity 13, a reference portion 27 constituting a part of the first wall, 24 and a first opening 29 communicating with the first cavity 13. The second housing 12 includes a restricting portion 47 constituting a part of the second wall 44. The restricting portion 47 projects into the first cavity 13 from the first opening 29 beyond the reference portion 27, and a tip thereof in a projecting direction is arranged to face an end part of a wire 30.
    Type: Application
    Filed: August 23, 2021
    Publication date: March 3, 2022
    Inventors: Yukihiro FUKATSU, Shinji IIHOSHI, Tomohisa UCHIDA, Takeshi SUZUKI
  • Publication number: 20220069524
    Abstract: A connector includes a first housing and a second housing having facing surfaces facing each other. One of the first and second housings includes a receiving portion open forward in a front end part and the other includes a rotating portion to be arranged in the receiving portion in the front end part. The second housing is rotated with respect to the first housing about an axis passing through the rotating portion in the receiving portion along a width direction and is coupled to the first housing. The first housing includes a lock receiving portion open forward and rearward in the front end part. The second housing includes a locking portion projecting toward the first housing and to be fit to the lock receiving portion in the front end part. The locking portion includes a wide restricting portion, and the lock receiving portion includes a wide restriction receiving portion.
    Type: Application
    Filed: August 23, 2021
    Publication date: March 3, 2022
    Inventors: Yukihiro FUKATSU, Toshikazu SAKURAI, Shinji IIHOSHI, Takeshi SUZUKI
  • Patent number: 11264760
    Abstract: A first housing 10 includes a resiliently deformable lock arm 30. The lock arm 30 has a lock surface 34 to be arranged to contact a front surface of a panel 90 with the first housing 10 arranged in a mounting hole 91 of the panel 90. A second housing 40 includes a space portion 53 into which an arm plate 72 of a lever 70 is arranged, leg portions 57 rising from the side of an outer wall 52 of the space portion 53 while facing each other, and a bridge portion 58 extending between the leg portions 57 facing each other. The bridge portion 58 includes a releasing portion 65 capable of releasing a state where the lock surface 34 is in contact with the front surface of the panel 90.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: March 1, 2022
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yukihiro Fukatsu, Asuka Hanji, Kazuo Nakai, Masahiro Nakashima
  • Publication number: 20210313736
    Abstract: A rubber plug has a tubular sealing function portion that allows an electric wire to pass through the tubular sealing function portion and a tubular low-rigidity portion that allows the electric wire to pass through the low-rigidity portion. The sealing function portion exhibits sealing performance by elastically coming into close contact with the inner peripheral surface of the terminal accommodating chamber and the outer peripheral surface of the electric wire. The low-rigidity portion has a lower rigidity than the sealing function portion, and is arranged rearward of the sealing function portion.
    Type: Application
    Filed: April 5, 2021
    Publication date: October 7, 2021
    Applicants: SUMITOMO WIRING SYSTEMS, LTD., HONDA MOTOR CO., LTD.
    Inventors: Ryo OOMORI, Yukihiro FUKATSU, Daichi IKEDA, Naoki KOBAYASHI
  • Publication number: 20210313735
    Abstract: A rubber plug A includes a tubular seal functioning portion 10 through which a wire 20 is passed, and a tubular portion 15 through which the wire 20 is passed. The seal functioning portion 10 exhibits a sealing function by being held resiliently in close contact with an inner peripheral surface of a terminal accommodation chamber 29 and an outer peripheral surface of the wire 20. The tubular portion 15 is disposed behind the seal functioning portion 10. Weight portions 16 relatively displaceable with respect to the tubular portion 15 are formed on the outer periphery of the tubular portion 15.
    Type: Application
    Filed: March 25, 2021
    Publication date: October 7, 2021
    Inventors: Namiki TSUKADA, Yukihiro FUKATSU
  • Patent number: 11025003
    Abstract: A housing (10) is formed with a partial locking stopper (21) and a full locking stopper (24). A slide lever (25) (operating member) is formed with a single hook (33) having a partial locking contact surface (35) and a full locking contact surface (36). The partial locking contact surface (35) is at an acute angle to a sliding direction of the slide lever (25) and restricts a movement of the slide lever (25) at the partial locking position in a direction separating from the housing (10) by contacting the partial locking stopper (21). The full locking contact surface (36) is at an obtuse angle to the sliding direction of the slide lever (25) and restricts a movement of the slide lever (25) at the full locking position toward the partial locking position by contacting the full locking stopper (24) in a semi-locked state.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: June 1, 2021
    Inventors: Asuka Hanji, Yukihiro Fukatsu
  • Patent number: 10971859
    Abstract: A connector includes a first housing (10) and a second housing (60) connectable to each other. The second housing (60) includes two walls (64) facing each other. The first housing (10) includes a receptacle (12) defining a fitting space (14), two side walls (19) connected to both circumferential ends of the receptacle (12) and a lock arm (24) arranged between the side walls (19). Entrance spaces (29) into which the walls (64) enter are defined between the side walls (19) and the lock arm (24) to communicate with the fitting space (14). Protrusions (31, 32) configured to contact the walls (64) are provided on inner surfaces of the side walls (19).
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: April 6, 2021
    Inventors: Shingo Tajima, Yukihiro Fukatsu
  • Patent number: 10971852
    Abstract: It is aimed to provide a joint connector capable of holding a plurality of housings and a busbar without complicating the entire configuration. A joint connector includes a first housing (10) configured to accommodate first terminals (60), a second housing (40) configured to accommodate second terminals (70) and be united with the first housing (10), and a busbar (80) having first tabs (84) to be connected to the first terminals (60) and second tabs (85) to be connected to the second terminals (70). The busbar (80) includes a coupling portion (83) coupling the side of the first tabs 84 and the side of the second tabs (85), first fixing portions (86) to be fixed to the first housing (10) and second fixing portions (87) to be fixed to the second housing (40).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 6, 2021
    Inventors: Yukihiro Fukatsu, Toshikazu Sakurai
  • Publication number: 20210098937
    Abstract: A first housing 10 includes a resiliently deformable lock arm 30. The lock arm 30 has a lock surface 34 to be arranged to contact a front surface of a panel 90 with the first housing 10 arranged in a mounting hole 91 of the panel 90. A second housing 40 includes a space portion 53 into which an arm plate 72 of a lever 70 is arranged, leg portions 57 rising from the side of an outer wall 52 of the space portion 53 while facing each other, and a bridge portion 58 extending between the leg portions 57 facing each other. The bridge portion 58 includes a releasing portion 65 capable of releasing a state where the lock surface 34 is in contact with the front surface of the panel 90.
    Type: Application
    Filed: September 10, 2020
    Publication date: April 1, 2021
    Inventors: Yukihiro FUKATSU, Asuka HANJI, Kazuo NAKAI, Masahiro NAKASHIMA
  • Publication number: 20210098938
    Abstract: A first housing 10 is arranged in a mounting hole 91 of a panel 90. The first housing 10 includes a base portion 27, a coupling portion 28 located forward of the base portion 27, a linking portion 29 linking between the base portion 27 and the coupling portion 28, and a lock arm 30 projecting rearward toward the base portion 27 from the coupling portion 28. The lock arm 30 has a lock surface 34 to be arranged to contact a front surface of the panel 90. The lock arm 30 and the linking portion 29 are both shaped to be resiliently deformable.
    Type: Application
    Filed: September 15, 2020
    Publication date: April 1, 2021
    Inventors: Yukihiro FUKATSU, Asuka HANJI, Kazuo NAKAI, Masahiro NAKASHIMA
  • Patent number: 10944224
    Abstract: A joint connector includes a plurality of target terminals (40), a joint terminal (10) connected to the respective target terminals (40) for short-circuiting the respective target terminals (40), and a housing (60) for accommodating the respective target terminals (40). The target terminal (40) includes a coupling portion (44) located between a body portion (42) and a crimping portion (43) to couple the both and having a concave cross-section. The joint terminal (10) includes a base portion (11) and a plurality of contact pieces (12) projecting from the base portion (11) and moves to an entrance position where the respective contact pieces (12) are inserted into the coupling portions (44) of the respective target terminals (40) after the respective target terminals 40 are accommodated into the housing (60). Each contact piece (42) resiliently contacts an inner surface of the corresponding coupling portion 44 at the entrance position.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: March 9, 2021
    Inventors: Yukihiro Fukatsu, Toshikazu Sakurai
  • Patent number: 10938156
    Abstract: A split connector has a frame (10) fittable to a mating connector (B). A mounting portion (13) penetrates the frame (10) in a connecting direction to the mating connector (B), and lock portions (15) are formed on two facing sides of opening edge parts of the mounting portion (13). A support (16) is disposed between the lock portions (15) in an opening area of the mounting portion (13). A sub-connector (25) is to be mounted into the mounting portion (13) while holding terminal fittings (13). Two first locks (27) are formed on the sub-connector (25) and hold the sub-connector (25) in the mounting portion (13) by being locked to the lock portions (15). A second lock (29) is formed on the sub-connector (25) and is lockable to the support (16) in a direction opposite to the connecting direction to the mating connector (B).
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: March 2, 2021
    Inventors: Asuka Hanji, Yukihiro Fukatsu
  • Patent number: 10840659
    Abstract: A housing (10) has a mounting groove (12) between a first cavity (11A) in a first stage and second cavities (11B) in a second stage. A first communication portion (13A) allows communication between the mounting groove (12) and the first cavity (11A), Second communication portions (13B) allow communication between the mounting groove (12) and the second cavities (11B). A first terminal (20A) is accommodated in the first cavity (11A), and second terminals (20B) are accommodated in the second cavities (11B). A busbar (60) includes a plate-shaped body (61) accommodated in the mounting groove (12). A first contact piece (62A) integrally projects from the busbar body (61) toward the first stage and enters the communication portion (13A) to contact the first terminal (20A), and second contact pieces (62B) integrally project from the busbar body (61) toward the second stage and enter the communication portions (13B) and contact the second terminals (20B).
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: November 17, 2020
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Yukihiro Fukatsu, Toshikazu Sakurai
  • Publication number: 20200259296
    Abstract: A connector includes a first housing (10) and a second housing (60) connectable to each other. The second housing (60) includes two walls (64) facing each other. The first housing (10) includes a receptacle (12) defining a fitting space (14), two side walls (19) connected to both circumferential ends of the receptacle (12) and a lock arm (24) arranged between the side walls (19). Entrance spaces (29) into which the walls (64) enter are defined between the side walls (19) and the lock arm (24) to communicate with the fitting space (14). Protrusions (31, 32) configured to contact the walls (64) are provided on inner surfaces of the side walls (19).
    Type: Application
    Filed: January 22, 2020
    Publication date: August 13, 2020
    Inventors: Shingo Tajima, Yukihiro Fukatsu