Patents by Inventor Masaya Takahashi

Masaya Takahashi 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: 20220149663
    Abstract: In a dynamic wireless power transfer system, a power transmission coil is provided in a road. A power transmission circuit supplies electric power to the power transmission coil. A power reception coil is provided in a vehicle. A power reception circuit is connected to the power reception coil. A relay circuit is provided in a tire of the vehicle. The relay circuit includes at least two relay coils that are connected in series. The relay circuit transfers electric power from the power transmission coil to the power reception coil by one relay coil of the two relay coils opposing the power transmission coil and the other relay coil opposing the power reception coil. A resonance frequency of the relay circuit is a frequency that is within a fixed range that is centered on an applied frequency of an alternating-current voltage that is applied to the power transmission coil.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 12, 2022
    Applicant: DENSO CORPORATION
    Inventors: Hayato SUMIYA, Eisuke TAKAHASHI, Nobuhisa YAMAGUCHI, Masaya TAKAHASHI
  • Publication number: 20220149664
    Abstract: A contactless power feeding device that supplies electric power to a power receiving device without contact includes: a power transmitting circuit that transmits alternating-current power; and a power transmitting resonator including a power transmitting coil. The input impedance of the power transmitting resonator is set low in a facing state in which a power receiving coil included in the power receiving device faces the power transmitting coil, and the input impedance of the power transmitting resonator is set high in a non-facing state in which the power receiving coil does not face the power transmitting coil.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 12, 2022
    Applicant: DENSO CORPORATION
    Inventors: Masaya TAKAHASHI, Eisuke TAKAHASHI, Hayato SUMIYA, Nobuhisa YAMAGUCHI
  • Publication number: 20220149666
    Abstract: A dynamic wireless power transfer system includes a power transmission coil, a power transmission circuit, a power reception coil, a power reception circuit, and a relay circuit. The power transmission coil is provided in a road. The power transmission circuit supplies electric power to the power transmission coil. The power reception coil is provided in a vehicle. The power reception circuit is connected to the power reception coil. The relay circuit transfers electric power between the power transmission coil and the power reception coil in a contactless manner.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Applicants: DENSO CORPORATION, The University of Tokyo
    Inventors: Hayato SUMIYA, Eisuke TAKAHASHI, Nobuhisa YAMAGUCHI, Masaya TAKAHASHI, Hiroshi FUJIMOTO, Osamu SHIMIZU
  • Publication number: 20220072965
    Abstract: In a moving-object power supply system, a control unit selects, as a power transmission segment, one of segments included in at least one power transmission section. The control unit supplies, through a power supply circuit, power to the power transmission segment to thereby generate a magnetic field through a power transmission coil of the power transmission segment. The control unit determines, based on an ascertained first electrical characteristic of the power transmission segment and an ascertained second electrical characteristic of at least one power non-transmission segment, whether there is a malfunction in each of the power transmission segment and the at least one power non-transmission segment.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Applicant: DENSO CORPORATION
    Inventors: Kouji MAZAKI, Nobuhisa YAMAGUCHI, Eisuke TAKAHASHI, Mitsuru SHIBANUMA, Shinpei TAKITA, Masaya TAKAHASHI, Hayato SUMIYA, Masaki KANESAKI, Takuya KIGUCHI, Kazuhiro UDA, Yuusei NAKAYASHIKI
  • Publication number: 20220041397
    Abstract: It is an object to provide a sheet conveying apparatus excellent in productivity, and a sheet conveying apparatus is provided with a sheet conveying section for conveying a sheet in a predetermined conveyance direction, a placement portion to place sheets conveyed by the sheet conveying section, a contact portion for coming into contact with an upstream side end portion in the conveyance direction of placed sheets placed in the placement portion, a sheet discharge section for shifting the contact portion to the downstream side in the conveyance direction and thereby discharging the placed sheets from the placement portion, and a sheet conveyance guide portion for supporting a front end of a next sheet conveyed to the placement portion by the sheet conveying section on the upstream side of the contact portion in the conveyance direction, where the sheet conveyance guide portion is provided with an inclined face for supporting the front end of the next sheet discharged to the placement portion.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 10, 2022
    Applicant: CANON FINETECH NISCA INC.
    Inventors: Mamoru KUBO, Yuki NISHI, Toshiyuki KATSUMATA, Arata OKADA, Masaya TAKAHASHI
  • Publication number: 20220037928
    Abstract: A contactless power supply device that supplies electric power to a vehicle in a contactless manner, includes: a power transmission resonance circuit; a power source circuit supplying direct-current power; and a power transmission circuit converting the direct-current power of the power source circuit into alternating-current power and supplying alternating-current power to the power transmission resonance circuit. The power transmission circuit includes: an inverter circuit converting the direct-current power of the power source circuit into alternating-current power; and a power transmission-side immittance conversion circuit adjusting the alternating-current power of the inverter circuit and supplies the adjusted alternating-current power to the power transmission resonance circuit.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Applicant: DENSO CORPORATION
    Inventors: Masaya TAKAHASHI, Yuusei NAKAYASHIKI, Eisuke TAKAHASHI, Masaki KANESAKI, Kazuhiro UDA, Nobuhisa YAMAGUCHI
  • Publication number: 20220032778
    Abstract: In an in-motion power supply system with a plurality of power supply segments to supply power to a vehicle, a vehicle position detection unit detects a position of the vehicle relative to each segment. An electrical characteristic acquisition unit acquires electrical characteristics in the segment involved in power transfer, and an abnormality determination unit uses the electrical characteristics to determine whether there is an abnormality in the segment involved in power transfer.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 3, 2022
    Applicant: DENSO CORPORATION
    Inventors: Masaki KANESAKI, Mitsuru SHIBANUMA, Hayato SUMIYA, Takuya KIGUCHI, Eisuke TAKAHASHI, Shinpei TAKITA, Masaya TAKAHASHI, Kazuhiro UDA, Yuusei NAKAYASHIKI, Kazuyoshi OBAYASHI, Nobuhisa YAMAGUCHI
  • Publication number: 20220011379
    Abstract: A power supply system for moving body includes a first power source, a first current path, a second power source, a second current path. The first power source supplies electric power to a redundant load. The first current path connects the first power source and the redundant load. The second power source supplies electric power to the redundant load. The second current path connects the second power source and the redundant load.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Applicant: DENSO CORPORATION
    Inventors: Kazuyoshi OBAYASHI, Masaya TAKAHASHI, Naoki KATAYAMA
  • Publication number: 20220006993
    Abstract: An encoder includes: a correction unit configured to execute gradation correction on RAW image data from an image capture element having optical black on the basis of a gamma coefficient and an optical black value of the optical black; and an encoding unit configured to encode gradation correction RAW image data that has undergone gradation correction by the correction unit.
    Type: Application
    Filed: September 21, 2021
    Publication date: January 6, 2022
    Applicant: NIKON CORPORATION
    Inventors: Ichiro ANDO, Masaya TAKAHASHI
  • Publication number: 20210405569
    Abstract: A sheet binding processing apparatus includes a conveying portion, a conveying path for sheets, a stacking portion on which sheets from the conveying path are stacked, a first regulating portion for regulating a sheet bundle on the stacking portion in a crossing direction, a second regulating portion for regulating a sheet bundle in the conveying direction, a manual setting portion for setting sheets from an outside of the apparatus, and a binding device which binds a sheet bundle by a staple and moves in the crossing direction. An angular posture of the binding device located at a third position is different from an angular posture located at a first position. An angular posture of the binding device located at the third position is different from an angular posture located at a second position. The second position is located at a second side of the first position.
    Type: Application
    Filed: September 9, 2021
    Publication date: December 30, 2021
    Applicant: CANON FINETECH NISCA INC.
    Inventors: Yusuke OBUCHI, Hideto ABE, Masaya TAKAHASHI, Seiji NISHIZAWA
  • Publication number: 20210391757
    Abstract: A dynamic wireless power transfer system performs, through a plurality of primary coils installed along a traveling direction of a road and a secondary coil mounted in a vehicle, power transfer to the vehicle while the vehicle is traveling. The secondary coil is an M-phase coil including M coils, M denoting an integer which is two or higher. The M coils each include a coil end extending along a front-rear direction of the vehicle and a main coil portion extending along a width direction of the vehicle, the M coils each being configured such that a magnetic resistance of a magnetic path where a magnetic flux of the coil end passes is higher than a magnetic resistance of a magnetic path where a magnetic flux of the main coil portion passes.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Applicant: DENSO CORPORATION
    Inventors: Takuya KIGUCHI, Nobuhisa YAMAGUCHI, Eisuke TAKAHASHI, Hayato SUMIYA, Tomoyuki FUJIKAWA, Koji MAZAKI, Shimpei TAKITA, Masaki KANESAKI, Masaya TAKAHASHI, Kazuhiro UDA, Yusei NAKAYASHIKI, Mitsuru SHIBANUMA, Kazuyoshi OBAYASHI
  • Patent number: 11150588
    Abstract: A sheet processing apparatus includes a conveying portion for conveying sheets, a conveying path for sheets, a stack portion for stacking sheets, a first binding portion having a first binding member and moving in a crossing direction crossing to the conveying direction, a first regulating portion which regulates a position of a sheet bundle stacked on the stack portion, a second regulating portion which regulates a position of a sheet bundle stacked on the stack portion, a third regulating portion which regulates a position of a sheet bundle, and a second binding portion which has a second binding member and binds a corner portion of a sheet bundle without a staple. The first binding portion binds a corner portion of a sheet bundle by a staple. The second binding member is located at a downstream of the first binding member in the conveying direction.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: October 19, 2021
    Assignee: CANON FINETECH NISCA INC.
    Inventors: Yusuke Obuchi, Hideto Abe, Masaya Takahashi, Seiji Nishizawa
  • Patent number: 11146772
    Abstract: An encoder includes: a correction unit configured to execute gradation correction on RAW image data from an image capture element having optical black on the basis of a gamma coefficient and an optical black value of the optical black; and an encoding unit configured to encode gradation correction RAW image data that has undergone gradation correction by the correction unit.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: October 12, 2021
    Assignee: NIKON CORPORATION
    Inventors: Ichiro Ando, Masaya Takahashi
  • Patent number: 11116388
    Abstract: A shape measuring apparatus includes a cylindrical flexible body and a bend detection sensor. The sensor includes an optical fiber extending along the flexible body, a detection target to vary characteristics of detection light guided through the optical fiber in accordance with a curvature of the optical fiber, and a light detection unit to detect the detection light. The shape measuring apparatus also includes a shape calculating device to calculate a bend shape of the flexible body, based on the variation of the characteristics of the detection light, a cylindrical sheathing member sheathing a part of the optical fiber in the flexible body, and a hard distal member provided at a distal end of the flexible body and holding a distal end of the sheathing member.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 14, 2021
    Assignee: OLYMPUS CORPORATION
    Inventors: Toru Kuboi, Masaya Takahashi, Tetsuya Morishima
  • Patent number: 11117272
    Abstract: A variable-stiffness actuator is to be installed into a flexible member and provide different degrees of stiffness to the flexible member. The actuator includes two hard members located apart from each other, and a shape-memory member connecting the hard members. The shape-memory member has a property of transitioning in phase between a first phase and a second phase. The shape-memory member is in a low stiffness state when in the first phase, and is in a high stiffness state when in the second phase. The actuator also includes a inducing member configured to cause a portion of the shape-memory member between the hard members to transition in phase between the first and second phases, and a urging member configured to urge the hard members in directions away from each other.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 14, 2021
    Assignee: OLYMPUS CORPORATION
    Inventor: Masaya Takahashi
  • Patent number: 11098701
    Abstract: A variable-stiffness actuator includes a shape-memory member that increases in stiffness on heating, a heating member arranged to surround the shape-memory member along a longitudinal axis of the shape-memory member, and a heat transmitting medium arranged to surround the heating member along a longitudinal axis of the heating member. The heating member generates heat in response to supply of a current, so as to heat the shape-memory member. The heat transmitting medium is deformed to decrease an inner diameter of the heat transmitting medium to come into contact with the heating member, so as to cool the heating member. The heat transmitting medium is deformed to increase the inner diameter to come out of contact with the heating member.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: August 24, 2021
    Assignee: OLYMPUS CORPORATION
    Inventor: Masaya Takahashi
  • Publication number: 20210245988
    Abstract: To provide an image forming apparatus having a sheet processing apparatus installed in an in-body space, capable of discharging sheets of different sizes without interfering with discharge operation of the sheet processing apparatus in a compact configuration. An image forming apparatus has a sheet binding unit disposed in an in-body space part thereof, a first conveying path for conveying the sheet discharged to the in-body space part toward the sheet binding unit, and a second conveying path for conveying the sheet discharged to the in-body space part toward a second stack tray that stacks thereon the sheet vertically below a first stack tray disposed outside the in-body space part. The second conveying path extends, inside the in-body space part, substantially horizontally between an image forming part and the sheet binding unit.
    Type: Application
    Filed: January 25, 2021
    Publication date: August 12, 2021
    Applicant: CANON FINETECH NISCA INC.
    Inventors: Masaya TAKAHASHI, Kota HIHARA
  • Patent number: 11014325
    Abstract: A sheet binding processing apparatus includes a transport section transporting a bunch of sheets in a transport direction, a sheet discharge outlet to discharge the bunch of sheets transported from the transport section, a placement section to place the bunch of sheets discharged from the discharge outlet, a manual set section enabling a bunch of sheets inserted in a direction different from the transport direction to be set, a press member pressing the bunch of sheets placed on the placement section or on the manual set section to bind, a drive section applying a pressing force to the press member, and a control section controlling the drive section to make the pressing force applied to a binding member higher in the case of binding the bunch of sheets placed on the placement section than in the case of binding the bunch of sheets set from the manual set section.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 25, 2021
    Assignee: CANON FINETECH NISCA INC.
    Inventor: Masaya Takahashi
  • Publication number: 20210136406
    Abstract: A video compression apparatus configured to compress a plurality of frames outputted from an imaging element that has a first imaging region in which a subject is captured and a second imaging region in which a subject is captured, and in which a first imaging condition can be set for the first imaging region and a second imaging condition differing from the first imaging condition can be set for the second imaging region, includes: an image processing unit configured to execute image processing based on the second imaging condition on image data outputted from the first imaging region by the imaging element capturing the subject; and a compression unit configured to compress each of the frames subjected to the image processing by the image processing unit on the basis of block matching with a frame differing from the frame.
    Type: Application
    Filed: March 26, 2019
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventors: Masaya TAKAHASHI, Keiichi NITTA
  • Publication number: 20210114465
    Abstract: A contactless power supply system is provided for supplying electric power to a vehicle in a contactless manner during traveling of the vehicle. The contactless power supply system includes a plurality of primary coils installed along a traveling direction in a road and a secondary coil mounted to the vehicle. Each of the primary coils is a single-phase coil with the secondary coil being a multi-phase coil, or is a multi-phase coil with the secondary coil being a single-phase coil.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 22, 2021
    Applicant: DENSO CORPORATION
    Inventors: Eisuke TAKAHASHI, Nobuhisa YAMAGUCHI, Koji MAZAKI, Shimpei TAKITA, Hayato SUMIYA, Masaki KANESAKI, Takuya KIGUCHI, Kazuhiro UDA, Mitsuru SHIBANUMA, Kazuyoshi OBAYASHI, Tomoyuki FUJIKAWA, Masaya TAKAHASHI, Yusei NAKAYASHIKI