Patents by Inventor Takeshi Aizawa

Takeshi 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: 20220339826
    Abstract: Provided are an imprint mold having a plurality of recesses constituting a predetermined mold pattern, in which the imprint mold comprises a stack, comprising a plurality of mold base material layers and an etching stopper layer interposed between the mold base material layers, on a substrate, the stack has the plurality of recesses having different depths, the mold base material layer and the etching stopper layer are made of materials having etching selectivity for each other, and each of the plurality of recesses has a bottom surface on which the etching stopper layer is exposed, and technology related thereto.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Applicant: HOYA CORPORATION
    Inventor: Takeshi AIZAWA
  • Patent number: 11264965
    Abstract: Provided is a noise filter that can enhance noise removal performance with a simple configuration. A noise filter (10) includes a connector (20) that houses a terminal fitting (22) connected to an input/output wire (WH) in a state in which the input/output wire (WH) is lead out from the connector (20). The noise filter (10) includes a coil (40) that is connected to the input/output wire (WH), a capacitor (30) that is electrically connected to the coil (40), and a magnetic member (50). The noise filter (10) includes a case (60) that houses the capacitor (30), the coil (40), and the magnetic member (50), and a holding member (70) that holds the magnetic member (50) in a state in which the magnetic member (50) is positioned with respect to the coil (40).
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: March 1, 2022
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeshi Aizawa, Asato Hibino
  • Publication number: 20220050372
    Abstract: Provided is a mask blank wherein, even when a defect is present on the main surface of a substrate of the mask blank, the defect can be made to not affect a transfer image formed by a transfer mask, such that the mask blank is deemed acceptable. This mask blank is provided with a thin film that is for transfer pattern formation and provided on the main surface of a transparent substrate, wherein a defect is present on the main surface of the transparent substrate, and the defect satisfies the relationship L?97.9×w?0.4, where w is the width as viewed from the main surface side, and L is the length from the main surface to the tip of the defect in a direction perpendicular to the main surface.
    Type: Application
    Filed: September 4, 2019
    Publication date: February 17, 2022
    Applicant: HOYA CORPORATION
    Inventors: Hiroyuki ISHIDA, Takeshi AIZAWA
  • Patent number: 11233302
    Abstract: Provided is a noise filter device that is capable of suppressing electrical interference between an input-side conductive line and an output-side conductive line. A noise filter device (10) includes: a noise filter (50) connected to a distal end of an input-side conductive line (41) and a distal end of an output-side conductive line (42); and a holding member (60) that holds the input-side conductive line (41) and the output-side conductive line (42). The holding member (60) includes: a body (61) attached to a wire harness (WH) so as to surround an outer circumference thereof; and a pair of hooks (62) that are respectively formed at two ends of the body (61) in a circumferential direction thereof, and are hooked on the input-side conductive line (41) and the output-side conductive line (42) to restrict the input-side conductive line (41) and the output-side conductive line (42) from approaching each other.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 25, 2022
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeshi Aizawa, Asato Hibino
  • Publication number: 20210226309
    Abstract: Provided is a noise filter device that is capable of suppressing electrical interference between an input-side conductive line and an output-side conductive line. A noise filter device (10) includes: a noise filter (50) connected to a distal end of an input-side conductive line (41) and a distal end of an output-side conductive line (42); and a holding member (60) that holds the input-side conductive line (41) and the output-side conductive line (42). The holding member (60) includes: a body (61) attached to a wire harness (WH) so as to surround an outer circumference thereof; and a pair of hooks (62) that are respectively formed at two ends of the body (61) in a circumferential direction thereof, and are hooked on the input-side conductive line (41) and the output-side conductive line (42) to restrict the input-side conductive line (41) and the output-side conductive line (42) from approaching each other.
    Type: Application
    Filed: April 25, 2019
    Publication date: July 22, 2021
    Inventors: Takeshi AIZAWA, Asato HIBINO
  • Publication number: 20210143786
    Abstract: Provided is a noise filter that can enhance noise removal performance with a simple configuration. A noise filter (10) includes a connector (20) that houses a terminal fitting (22) connected to an input/output wire (WH) in a state in which the input/output wire (WH) is lead out from the connector (20). The noise filter (10) includes a coil (40) that is connected to the input/output wire (WH), a capacitor (30) that is electrically connected to the coil (40), and a magnetic member (50). The noise filter (10) includes a case (60) that houses the capacitor (30), the coil (40), and the magnetic member (50), and a holding member (70) that holds the magnetic member (50) in a state in which the magnetic member (50) is positioned with respect to the coil (40).
    Type: Application
    Filed: April 25, 2019
    Publication date: May 13, 2021
    Inventors: Takeshi AIZAWA, Asato HIBINO
  • Patent number: 10771034
    Abstract: A conductive path with noise filter that includes a plurality of conductive path main bodies; a plurality of insulating layers that surround respective outer circumferences of the conductive path main bodies; a plurality of conductors that are provided with the insulating layers being sandwiched between the conductors and the conductive path main bodies and form respective capacitors; a plurality of inductors that are connected to the respective conductors; and an electrical connector that includes a plurality of fitting portions into which the respective inductors can be fitted and that is attached to an electrical connection holder.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: September 8, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LIMITED, SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keiji Hirata, Takeshi Aizawa
  • Patent number: 10680571
    Abstract: A conductive path with noise filter that enables an effective reduction in a surge noise in a specific frequency band is provided. A conductive path with noise filter includes conductive path main, an insulating holder, inductors provided in the holder, receiving terminal fittings provided in the holder, insertion-side terminal fittings capable of being fitted to the receiving terminal fittings, a U-phase capacitor provided between the U-phase wire and the U-phase insertion-side terminal fitting, a V-phase capacitor provided between the V-phase wire and the V-phase insertion-side terminal fitting, and a W-phase capacitor provided between the W-phase wire and the W-phase insertion-side terminal fitting.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: June 9, 2020
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Keiji Hirata, Takeshi Aizawa
  • Patent number: 10651814
    Abstract: A conductive path includes a plurality of covered electrical conductors that are obtained by enveloping a plurality of conductive path main bodies with insulating layers; a plurality of conductors that are individually fixed to outer circumferential surfaces of the insulating layers, capacitors being formed individually between the conductors and the conductive path main bodies; a body having a holder; a plurality of arc-shaped positioning recesses that are formed in the holder and are configured to respectively keep the plurality of covered electrical conductors positioned; a plurality of inductors that are respectively connected to the plurality of conductors and are fixed to the body; and a connector that is formed on the inductors, is exposed in an arc shape on an inner circumferential surface of the positioning recesses, and comes into contact with the conductors in a state in which the covered electrical conductors are held in the positioning recesses.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: May 12, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keiji Hirata, Takeshi Aizawa
  • Patent number: 10594287
    Abstract: A noise filter (A) includes a case (10) and capacitors (20) accommodated in the case (10). Substantially flat surfaces of the capacitors (20) serve as ground-side electrodes (23). A ground terminal (17) is connected directly to the ground-side electrodes (23), and input/output terminals (15) are connected to input/output-side electrodes (21) of the capacitors (20). A routing space for leads for connecting the capacitors (20) and the ground terminal (17) is not necessary in the case (10). Therefore, the case (10) can be miniaturized.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: March 17, 2020
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Takeshi Aizawa, Yoshito Sakai
  • Publication number: 20190149116
    Abstract: Workability during the connection of inductors is improved. A conductive path (A) with noise filter includes a plurality of conductive path main bodies (11u, 11v, 11w), a plurality of insulating layers (12u, 12v, 12w) that surround respective outer circumferences of the conductive path main bodies (11u, 11v, 11w), a plurality of conductors (16u, 16v, 16w) that are provided with the insulating layers (12u, 12v, 12w) being sandwiched between the conductors (16u, 16v, 16w) and the conductive path main bodies (11u, 11v, 11w) and form respective capacitors (17u, 17v, 17w), a plurality of inductors (30u, 30v, 30w) that are connected to the respective conductors (16u, 16v, 16w), and an electrical connection member (38) including a plurality of fitting portions (40) into which the respective inductors (30u, 30v, 30w) can be fitted.
    Type: Application
    Filed: April 4, 2017
    Publication date: May 16, 2019
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kenji HIRATA, Takeshi AIZAWA
  • Publication number: 20190123706
    Abstract: A conductive path includes a plurality of covered electrical conductors that are obtained by enveloping a plurality of conductive path main bodies with insulating layers; a plurality of conductors that are individually fixed to outer circumferential surfaces of the insulating layers, capacitors being formed individually between the conductors and the conductive path main bodies; a body having a holder; a plurality of arc-shaped positioning recesses that are formed in the holder and are configured to respectively keep the plurality of covered electrical conductors positioned; a plurality of inductors that are respectively connected to the plurality of conductors and are fixed to the body; and a connector that is formed on the inductors, is exposed in an arc shape on an inner circumferential surface of the positioning recesses, and comes into contact with the conductors in a state in which the covered electrical conductors are held in the positioning recesses.
    Type: Application
    Filed: April 3, 2017
    Publication date: April 25, 2019
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keiji HIRATA, Takeshi AIZAWA
  • Publication number: 20190089322
    Abstract: A noise filter (A) includes a case (10) and capacitors (20) accommodated in the case (10). Substantially flat surfaces of the capacitors (20) serve as ground-side electrodes (23). A ground terminal (17) is connected directly to the ground-side electrodes (23), and input/output terminals (15) are connected to input/output-side electrodes (21) of the capacitors (20). A routing space for leads for connecting the capacitors (20) and the ground terminal (17) is not necessary in the case (10). Therefore, the case (10) can be miniaturized.
    Type: Application
    Filed: February 13, 2017
    Publication date: March 21, 2019
    Inventors: Takeshi Aizawa, Yoshito Sakai
  • Publication number: 20180205357
    Abstract: A conductive path with noise filter that enables an effective reduction in a surge noise in a specific frequency band is provided. A conductive path with noise filter includes conductive path main, an insulating holder, inductors provided in the holder, receiving terminal fittings provided in the holder, insertion-side terminal fittings capable of being fitted to the receiving terminal fittings, a U-phase capacitor provided between the U-phase wire and the U-phase insertion-side terminal fitting, a V-phase capacitor provided between the V-phase wire and the V-phase insertion-side terminal fitting, and a W-phase capacitor provided between the W-phase wire and the W-phase insertion-side terminal fitting.
    Type: Application
    Filed: August 27, 2015
    Publication date: July 19, 2018
    Inventors: Keiji Hirata, Takeshi Aizawa
  • Patent number: 9705260
    Abstract: Connectors with internal noise filter (10A, 10B) are provided with a uniting means (17, 18) for uniting the connectors with internal noise filters with each other. A terminal fitting (20) connected to one electrode portion (32A) of a capacitor (30) is provided in a connector housing (11a, 11B). A ground connection terminal (40A, 40B) is composed of an electrode connecting portion (42) to be connected to the other electrode portion (32B) of the capacitor (30) and a ground connection portion (41A, 41B) extending outwardly of the connector housing (11A, 11B) from the electrode connecting portion (42) and including a bolt hole (46H) into which a bolt (B) is fittable. When the respective connectors with internal noise filter (10A, 10B) are united by the uniting means (17, 18), the respective ground connection portions (41A, 41B) are overlapped and the respective bolt holes (46H) are aligned.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: July 11, 2017
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electrical Industries, Ltd.
    Inventor: Takeshi Aizawa
  • Patent number: 9425594
    Abstract: A relay harness (30) connects a first harness (10) and a second harness (20). The relay harness (30) includes relay wires (31) and first and second housings (36, 37) connected to ends of the relay wires (31). Each relay wire (31) has a third conductor (32) surrounded by a third coating (33). The first housing (36) is configured to connect to a first connector (16) of the first harness (10). The second housing (37) is configured to connect to a second connector (26) of the second harness (20). A coating resin for the third insulation coatings (33) and a housing resin for the first and second housings (36, 37) are synthetic resins having a higher flame retardancy than a resin material for the first harness (10).
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: August 23, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Takeshi Aizawa
  • Patent number: 9379493
    Abstract: A connector includes ferrite cores (30A, 30B) with through holes (30H). A terminal fitting (20) has tab terminals (22A, 22B) inserted into the respective through holes (30H) to define input and output portions and a base (23) couples end parts of the respective tab terminals (22A, 22B) to each other. A connector housing (11) is molded to surround the ferrite cores (30A, 30B) and the terminal fitting (20) and is connectable to a mating connector housing. The ferrite cores (30A, 30B) include long sides LL and short sides SL. Clearances S are defined between side surfaces M located on the opposite short sides SL of the ferrite cores (30A, 30B) and facing surfaces of the connector housing (11), thereby separating the side surfaces M from the facing surfaces.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: June 28, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES
    Inventor: Takeshi Aizawa
  • Patent number: 9362881
    Abstract: A noise filter device includes a ground connection terminal (21) for grounding, a coil (31) formed by winding a conductive wire (33), a pair of capacitors (41) constituting a ?-type filter circuit C together with the coil (31) and to be electrically connected to the ground connection terminal (21), and a housing (11) capable of housing the coil (31) and the pair of capacitors (41). The capacitors are both arranged on one surface side of a virtual plane dividing the coil into two in an axial direction, and a conductive shielding plate (24B) to be grounded to the ground connection terminal (21) is interposed between the capacitors (41).
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: June 7, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Takeshi Aizawa
  • Patent number: 9356388
    Abstract: A terminal (15) of a terminal-attached wire (10), in which the terminal (15) is connected to an end portion of a wire (11) and the end portion is sealed by a heat shrinkable tube (33), includes a terminal connecting portion (16) to be connected to a mating terminal, a wire connecting portion (18) to be connected to the end portion of the wire (11) and a coupling portion (22) coupling the terminal connecting portion (16) and the wire connecting portion (18) An opening end (33A) of the heat shrinkable tube (33) is mounted on the coupling portion (22), and a draining portion (32) for preventing adhering water from running down to the opening end (33A) is provided on a side closer to the terminal connecting portion (16) than the opening end (33A).
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: May 31, 2016
    Assignee: AUTONETWORKS TECHNOLOGIES, LTD
    Inventors: Takeshi Aizawa, Satoshi Morikawa, Yoshihiro Uchiyama, Kazuaki Takeda, Takashi Tonosaki
  • Patent number: 9331660
    Abstract: A noise filter device has a coil formed by winding a conductive wire on a magnetic core. The noise filter device further has a bracket formed of a magnetic material and grounded. The bracket has a bottom plate and two end plates that project from the bottom plate. The end plates face opposite end surfaces of the magnetic core with predetermined gaps defined between the end plates and the end surfaces. The noise filter device further has capacitors that form part of a noise filter circuit together with the coil and that are connected to the bracket. A housing houses the coil, the capacitors and the bracket in an at least partly exposed state, and input and output terminals are provided for the noise filter circuit.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: May 3, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Takeshi Aizawa