Patents by Inventor Kiyotaka Itsuki
Kiyotaka Itsuki 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).
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Patent number: 9601855Abstract: 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: GrantFiled: April 21, 2015Date of Patent: March 21, 2017Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Patent number: 9478897Abstract: 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: GrantFiled: February 19, 2015Date of Patent: October 25, 2016Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Patent number: 9455525Abstract: 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: GrantFiled: May 28, 2013Date of Patent: September 27, 2016Assignees: 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
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Patent number: 9379481Abstract: 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: GrantFiled: February 3, 2015Date of Patent: June 28, 2016Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Patent number: 9343825Abstract: 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: GrantFiled: March 24, 2015Date of Patent: May 17, 2016Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Patent number: 9312626Abstract: 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: GrantFiled: October 10, 2013Date of Patent: April 12, 2016Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Kiyotaka Itsuki, Hiroyuki Matsuoka, Tomokazu Kashiwada
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Publication number: 20150333428Abstract: 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: ApplicationFiled: April 21, 2015Publication date: November 19, 2015Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Publication number: 20150288083Abstract: 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: ApplicationFiled: March 24, 2015Publication date: October 8, 2015Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Patent number: 9124024Abstract: 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: GrantFiled: August 15, 2013Date of Patent: September 1, 2015Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Kiyotaka Itsuki, Hiroyuki Matsuoka, Sho Miyazaki, Tomokazu Kashiwada
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Publication number: 20150244103Abstract: 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: ApplicationFiled: February 3, 2015Publication date: August 27, 2015Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Publication number: 20150244100Abstract: 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: ApplicationFiled: February 19, 2015Publication date: August 27, 2015Inventors: Tomokazu Kashiwada, Masafumi Uno, Kiyotaka Itsuki
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Publication number: 20140120767Abstract: 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: ApplicationFiled: October 10, 2013Publication date: May 1, 2014Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Kiyotaka Itsuki, Hiroyuki Matsuoka, Tomokazu Kashiwada
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Publication number: 20140120763Abstract: A connector (10) into which wires (60) each formed by covering a flexible core (61) with an insulation coating (62) are introduced includes female terminals (40) to be connected to ends of the wires (60), and a housing main body (20) for accommodating end portions of the wires (60) connected to the female terminals (40). Vibration absorbing portions (63) formed by removing the insulation coatings (62) are provided in parts of the wires (60) to be accommodated into the housing main body (20).Type: ApplicationFiled: October 10, 2013Publication date: May 1, 2014Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Kiyotaka Itsuki, Sho Miyazaki
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Publication number: 20140051286Abstract: 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: ApplicationFiled: August 15, 2013Publication date: February 20, 2014Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Kiyotaka Itsuki, Hiroyuki Matsuoka, Sho Miyazaki, Tomokazu Kashiwada
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Publication number: 20130316573Abstract: 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: ApplicationFiled: May 28, 2013Publication date: November 28, 2013Applicants: 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