Patents by Inventor Tomokazu Kashiwada

Tomokazu Kashiwada 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: 20230076623
    Abstract: A problem to be solved by the present disclosure is to provide a connector and a connector unit capable of enhancing the strength of a housing. A housing (50) includes a first accommodating portion (501) configured to accommodate a part of a connecting end portion (35) and a second accommodating portion (502) configured to accommodate the part of the connecting end portion (35) and the first accommodating portion (501). The first accommodating portion (501) is open on one side in a second direction (Y), and the second accommodating portion (502) has an outer side wall (54) configured to cover the connecting end portion (35) around an axis along a first direction (Z) and open on the one side in the second direction (Y) and an outer top wall (55) configured to cover a tip side of the connecting end portion (35) in the first direction (Z).
    Type: Application
    Filed: February 10, 2021
    Publication date: March 9, 2023
    Inventors: Masato KAMEMURA, Tomokazu KASHIWADA, Ryota SAKAI
  • Publication number: 20230034343
    Abstract: A busbar module is provided with busbars arranged at intervals from each other in a first direction and arranged side by side in a second direction, and a holding member configured to cover the busbars. Each of the busbars includes a first connecting portion extending in the first direction, a second connecting portion extending in the third direction and an intermediate portion extending in the second direction between the first connecting portion and the second connecting portion. The holding member includes a first holding portion configured to cover the first and second busbars and interposed between the first and second busbars and a second holding portion configured to cover the first holding portion the third busbar. The third busbar is in contact with the first holding portion.
    Type: Application
    Filed: July 22, 2022
    Publication date: February 2, 2023
    Inventor: Tomokazu KASHIWADA
  • Patent number: 10135173
    Abstract: A rubber plug assembly (40) includes a rubber plug (50) with a shaft (51) and waterproofs the interior of a housing (20). Legs (52) extend out in a radial direction from an axial end (51A) of the shaft (51). Recesses are in the legs (52) and are long in the radial direction. A cover (70) is to be fixed to the housing (20). A rubber plug holder (60) includes assembling holes (65) for allowing the legs (52) oriented in an axial direction to be inserted therein by resiliently deforming parts of the legs (52) and projections (66) for positioning the rubber plug (50) by being fit into the recesses as the legs (52) that have passed through the assembling holes (65) return. The projections (66) and the recesses are held in a fit state by fixing the rubber plug holder (60) to the cover (70).
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: November 20, 2018
    Assignee: Sumtomo Wiring Systems, Ltd.
    Inventor: Tomokazu Kashiwada
  • Patent number: 10056709
    Abstract: A rubber plug assembly 40 disclosed by this specification is provided with a rubber plug 50 including a rubber plug body portion 51 for waterproofing the interior of a housing 20, leg portions 52 being provided around the rubber plug body portion 51, peripheral walls 54 of recesses (through holes 53) provided in the leg portions 52 being continuous without interruption, a cover 70 to be fixed to the housing 20 while covering the rubber plug 50, and a rubber plug holder 60 including rubber plug fixing portions 64 disposed on a side opposite to the cover 70 with respect to the leg portions 52, projections 66 to be fit into the recesses from the side opposite to the cover 70 being provided on the rubber plug fixing portions 64, the rubber plug holder 60 being fixed to the cover 70 with movements of the leg portions 52 along the cover 70 suppressed by locking the projections 66 to the peripheral walls 54 of the recesses.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: August 21, 2018
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Tomokazu Kashiwada
  • Patent number: 10050370
    Abstract: A cover unit (50) includes a plug holder (60) mounted on a cover (51). A rubber plug (80) is attached to the plug holder (60) and closes an opening (30) of a device (C). The rubber plug (80) includes a cylindrical body (81) to fit in the opening (30). A mounting tongue (87) extending from a base of the body (81) via a coupling (85) and has a locking hole (89). The plug holder (60) includes an insertion hole (75) allowing the mounting tongue (87) of the rubber plug (80) to be inserted on a side opposite to the plug body (81). A hook (67) engages the locking hole (89) of the mounting tongue (87) inserted into the insertion hole (75). The mounting tongue (87) of the rubber plug (80) is thicker than the coupling (85).
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: August 14, 2018
    Assignee: Sumitomo Wiring Sytems, Ltd.
    Inventor: Tomokazu Kashiwada
  • Publication number: 20180175537
    Abstract: A rubber plug assembly (40) includes a rubber plug (50) with a shaft (51) and waterproofs the interior of a housing (20). Legs (52) extend out in a radial direction from an axial end (51A) of the shaft (51). Recesses are in the legs (52) and are long in the radial direction. A cover (70) is to be fixed to the housing (20). A rubber plug holder (60) includes assembling holes (65) for allowing the legs (52) oriented in an axial direction to be inserted therein by resiliently deforming parts of the legs (52) and projections (66) for positioning the rubber plug (50) by being fit into the recesses as the legs (52) that have passed through the assembling holes (65) return. The projections (66) and the recesses are held in a fit state by fixing the rubber plug holder (60) to the cover (70).
    Type: Application
    Filed: May 23, 2016
    Publication date: June 21, 2018
    Applicant: Sumtomo Wiring Systems, Ltd.
    Inventor: Tomokazu Kashiwada
  • Publication number: 20180159263
    Abstract: A cover unit (50) includes a plug holder (60) mounted on a cover (51). A rubber plug (80) is attached to the plug holder (60) and closes an opening (30) of a device (C). The rubber plug (80) includes a cylindrical body (81) to fit in the opening (30). A mounting tongue (87) extending from a base of the body (81) via a coupling (85) and has a locking hole (89). The plug holder (60) includes an insertion hole (75) allowing the mounting tongue (87) of the rubber plug (80) to be inserted on a side opposite to the plug body (81). A hook (67) engages the locking hole (89) of the mounting tongue (87) inserted into the insertion hole (75). The mounting tongue (87) of the rubber plug (80) is thicker than the coupling (85).
    Type: Application
    Filed: May 23, 2016
    Publication date: June 7, 2018
    Inventor: Tomokazu Kashiwada
  • Publication number: 20180131118
    Abstract: A rubber plug assembly (40) is provided with a rubber plug (50) including a plug body (51) for waterproofing the interior of a housing (20). Legs (52) are provided around the plug body (51). The legs (52) have through holes (53} with peripheral walls (54) that are continuous. A cover (70) is fixed to the housing (20) while covering the rubber plug (50), and a plug holder (60) including rubber plug fixing portions (64) is disposed on a side opposite to the cover (70) with respect to the legs (52). Projections (66) are provided on the rubber plug fixing portions (64) to be fit into the recesses from the side opposite to the cover (70). The plug holder (60) is fixed to the cover (70) with movements of the legs (52) along the cover (70) suppressed by locking the projections (66) to the peripheral walls (54) of the recesses.
    Type: Application
    Filed: May 23, 2016
    Publication date: May 10, 2018
    Inventor: Tomokazu Kashiwada
  • Patent number: 9601855
    Abstract: A female terminal (40) to be connected to a male terminal (80) includes a tubular portion (41) configured by a plurality of peripheral walls. Resilient pieces (46, 47) extend in a front-back direction while facing the peripheral walls in the tubular portion (41). Excessive deflection preventing portions (90, 91) are provided on the peripheral walls, including a front abutting portion (92) and a rear abutting portion (93) arranged behind the front abutting portion (92), and configured to prevent the resilient pieces (46, 47) from being deflected excessively by contacting the resilient pieces (46, 47) at both the front and rear abutting portions (92, 93).
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: March 21, 2017
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
  • Patent number: 9478897
    Abstract: A waterproof connector (10) to be mounted on a case (90) of a device includes a housing (20) which includes a fitting (21) fittable into an opening (91) provided on the case (90), an annular seal ring (60) that provides watertightness between the inner peripheral surface of the opening (91) of the case (90) and the fitting (21) and a mounting recess (23) into which the seal ring (60) is to be fit. The mounting recess (23) is formed by mounting a separate front member (70) having a larger cross-section than a cross-sectionally small portion (29) provided at a front end part of the fitting (21) on the cross-sectionally small portion (29).
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 25, 2016
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
  • 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: 9379481
    Abstract: A service cover (50) to be mounted to close a rear end opening (25) provided on a housing main body (21) of a waterproof connector (10) includes a fitting (52) which is fittable into the rear end opening (52), an annular seal ring (80) that provides watertightness between the rear end opening (25) and the fitting (52) and a fitting recess (54) that is recessed on an outer periphery surface of the fitting (52) and into which the seal ring (80) is to be fit. The fitting recess (54) is formed by mounting a front member (70) with a larger cross-section than a cross-sectionally small portion (58) constituting a front end part of the fitting (52) on the cross-sectionally small portion (58).
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: June 28, 2016
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
  • Patent number: 9343825
    Abstract: A shield connector (10) includes a housing (20) and first and second terminals (50, 60) accommodated in the housing (20). The housing (20) includes first recesses (17) for positioning first connecting portions (51) in a rotation stop state by having first protrusions (52) fitted therein, second recesses (18) for positioning second connecting portions (61) in a rotation stop state by having second protrusions (62) fitted therein and terminal connecting portions (13) to which the first and second connecting portions (51, 62) are to be connected by coaxially arranging first bolt holes (54) and second bolt holes (64) as the first and second connecting portions are positioned.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: May 17, 2016
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
  • Patent number: 9312626
    Abstract: A shield connector (10) to be connected to a device-side connector (110) provided on a device includes female terminals (42) to be connected to device-side terminals (112) provided in the device-side connector (110), a housing main body (20) including a wire pull-out hole (25) from which outer wires (50) connected to the female terminals (42) are pulled out, a shield shell (60) to be connected to a shield case (100) of the device while covering the housing main body (20), and a resin molded body (80) held in close contact with the outer peripheral surfaces of the outer wires (50). The resin molded body (80) is vertically sandwiched by an opening edge portion (25A) of the wire pull-out hole (25) in the housing main body (20) and a shell-side holding portion (67) provided on the shield shell (60).
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: April 12, 2016
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Kiyotaka Itsuki, Hiroyuki Matsuoka, Tomokazu Kashiwada
  • Patent number: 9209582
    Abstract: A connector (10) can be fit into a case-side opening (161) of a shield case (160) so that female terminals (52) in the connector (10) can be connected to male terminals (172) in a device-side connector (170) mounted in a back of the case-side opening (161). The connector (10) includes a housing (20) with a fitting (21) at one end that can fit into the case-side opening (161). Stretchable conductors (51) and wires (71) connected to the female terminals (52) are pulled out from the opposite end of the housing (20). A terminal accommodating portion (30) is formed separately from the fitting (21) and accommodates the female terminals (52) inside. The terminal accommodating portion (30) is mounted into the housing (20) loosely movably in a direction intersecting a fitting direction of the fitting (21) into the case-side opening (161) when connecting the male terminals (172) and the female terminals (52).
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: December 8, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Tomokazu Kashiwada, Hiroyuki Matsuoka
  • Publication number: 20150333428
    Abstract: A female terminal (40) to be connected to a male terminal (80) includes a tubular portion (41) configured by a plurality of peripheral walls. Resilient pieces (46, 47) extend in a front-back direction while facing the peripheral walls in the tubular portion (41). Excessive deflection preventing portions (90, 91) are provided on the peripheral walls, including a front abutting portion (92) and a rear abutting portion (93) arranged behind the front abutting portion (92), and configured to prevent the resilient pieces (46, 47) from being deflected excessively by contacting the resilient pieces (46, 47) at both the front and rear abutting portions (92, 93).
    Type: Application
    Filed: April 21, 2015
    Publication date: November 19, 2015
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
  • Publication number: 20150288083
    Abstract: A shield connector (10) includes a housing (20) and first and second terminals (50, 60) accommodated in the housing (20). The housing (20) includes first recesses (17) for positioning first connecting portions (51) in a rotation stop state by having first protrusions (52) fitted therein, second recesses (18) for positioning second connecting portions (61) in a rotation stop state by having second protrusions (62) fitted therein and terminal connecting portions (13) to which the first and second connecting portions (51, 62) are to be connected by coaxially arranging first bolt holes (54) and second bolt holes (64) as the first and second connecting portions are positioned.
    Type: Application
    Filed: March 24, 2015
    Publication date: October 8, 2015
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
  • Patent number: 9124021
    Abstract: A device connector is to be connected to a device and includes male terminals (21) to be connected to female terminals in the device, Shield cables (90) are pulled out in a direction different from a connecting direction to the female terminals. An inner conductor (50) electrically conductively connects the male terminals (21) and the shield cables (90). A mold portion (80) is formed by molding the shield cables (90) with resin. A rear bracket (70) immovably fixes the housing (10) to a case of the device. A housing (10) has the inner conductor (50) accommodated inside, and a seal ring (82) seals between the mold portion (80) and the housing (10). The mold portion (80) is sandwiched between the rear bracket (70) and the housing (10) in a pull-out direction of the shield cables (90).
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: September 1, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Tomokazu Kashiwada, Hiroyuki Matsuoka
  • Patent number: 9124024
    Abstract: A connector (10) includes a housing (20) connectable to a mating housing of the mating connector. A female terminal (52) is held in the housing (20) and includes a terminal connecting portion (52A) to be connected to a mating terminal provided in the mating connector and a barrel (52B) connected to the terminal connecting portion (52A). A flexible outer wire (70) is pulled out to outside from the interior of the housing (20). An inner conductive member (50) connects the barrel (52B) and the outer wire (70) in the housing (20) and includes an intermediate portion (53C) formed by bending a metal plate material substantially at a right angle. The intermediate portion (53C) is fixed to the housing (20).
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: September 1, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Kiyotaka Itsuki, Hiroyuki Matsuoka, Sho Miyazaki, Tomokazu Kashiwada
  • Publication number: 20150244100
    Abstract: A waterproof connector (10) to be mounted on a case (90) of a device includes a housing (20) which includes a fitting (21) fittable into an opening (91) provided on the case (90), an annular seal ring (60) that provides watertightness between the inner peripheral surface of the opening (91) of the case (90) and the fitting (21) and a mounting recess (23) into which the seal ring (60) is to be fit. The mounting recess (23) is formed by mounting a separate front member (70) having a larger cross-section than a cross-sectionally small portion (29) provided at a front end part of the fitting (21) on the cross-sectionally small portion (29).
    Type: Application
    Filed: February 19, 2015
    Publication date: August 27, 2015
    Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki