Patents by Inventor Yuhki TAKANAGA

Yuhki TAKANAGA 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: 10604004
    Abstract: A grille shutter unit which is provided with plural shutters extending in a vehicle width direction is attached to a frame-shaped shroud, a center stay is provided to extend in a vertical direction and connect a central portion, in a width direction, of a shroud upper and a central portion, in the width direction, of a shroud lower, the grille shutter unit is attached to a back-face side of the shroud, and an actuator (driving actuator) for opening/closing the shutters is arranged at a back-face side of the center stay.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: March 31, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Shunsuke Fujitani, Daisuke Sakagami, Haruo Etchu, Nobuyuki Nakayama, Yuhki Takanaga, Takeshi Yamada, Masahide Kanemori
  • Patent number: 10350991
    Abstract: A grille shutter unit which is provided with shutters and a frame which pivotally supports shutter shafts provided at the shutters is attached to a frame-shaped shroud which supports heat exchangers. The grille shutter unit is configured to be attached to the shroud from a back-face side of the shroud at a position located in front of the heat exchangers.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: July 16, 2019
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Shunsuke Fujitani, Daisuke Sakagami, Haruo Etchu, Nobuyuki Nakayama, Yuhki Takanaga, Takeshi Yamada, Masahide Kanemori
  • Patent number: 10343512
    Abstract: A vehicle is provided, which includes an engine bay having an upper wall, side walls, a front wall, and a rear wall, an engine disposed inside the engine bay, an upper lid part disposed inside the engine bay and covering the engine from above, a shroud disposed inside the engine bay and formed in a frame shape having an opening disposed forward of the engine, and a grille shutter provided to the shroud and configured to open and close the opening. A front end of the upper lid part is placed on an upper side of the shroud, and the grille shutter is closed when an ignition is off.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: July 9, 2019
    Assignee: Mazda Motor Corporation
    Inventors: Yukiya Tanaka, Kazumi Okamura, Shunsuke Fujitani, Yuhki Takanaga
  • Patent number: 10323852
    Abstract: Provided is a vehicle shutter capable of detecting a flap to which power transmission is cut off by providing turn restriction units each having a simple structure in flaps. The vehicle shutter is provided with: a plurality of flaps 13 capable of opening and closing an outside air introduction path 8 for introducing outside air into an engine compartment and arranged in parallel to each other so as to cross the outside air introduction path 8; a linkage operation section linking the flaps 13 with each other to perform an opening/closing operation of the flaps; a drive section driving the flaps 13 to be open and closed through the linkage operation section; an abnormality detection section detecting an abnormality of the flaps 13 on the basis of an operating state of the drive section; and an abnormality notification section notifying the abnormality to a user on the basis of output from the abnormality detection section.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: June 18, 2019
    Assignees: MAZDA MOTOR CORPORATION, STARLITE CO., LTD.
    Inventors: Yuhki Takanaga, Kazuma Kondou, Manabu Yamaoka, Yoshimitsu Hayamizu, Naoya Takashima
  • Publication number: 20190061513
    Abstract: A vehicle is provided, which includes an engine bay having an upper wall, side walls, a front wall, and a rear wall, an engine disposed inside the engine bay, an upper lid part disposed inside the engine bay and covering the engine from above, a shroud disposed inside the engine bay and formed in a frame shape having an opening disposed forward of the engine, and a grille shutter provided to the shroud and configured to open and close the opening. A front end of the upper lid part is placed on an upper side of the shroud, and the grille shutter is closed when an ignition is off.
    Type: Application
    Filed: June 27, 2018
    Publication date: February 28, 2019
    Inventors: Yukiya Tanaka, Kazumi Okamura, Shunsuke Fujitani, Yuhki Takanaga
  • Publication number: 20190001810
    Abstract: A grille shutter unit which is provided with shutters and a frame which pivotally supports shutter shafts provided at the shutters is attached to a frame-shaped shroud which supports heat exchangers. The grille shutter unit is configured to be attached to the shroud from a back-face side of the shroud at a position located in front of the heat exchangers.
    Type: Application
    Filed: May 3, 2018
    Publication date: January 3, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Shunsuke FUJITANI, Daisuke SAKAGAMI, Haruo ETCHU, Nobuyuki NAKAYAMA, Yuhki TAKANAGA, Takeshi YAMADA, Masahide KANEMORI
  • Publication number: 20190001809
    Abstract: A grille shutter unit which is provided with plural shutters extending in a vehicle width direction is attached to a frame-shaped shroud, a center stay is provided to extend in a vertical direction and connect a central portion, in a width direction, of a shroud upper and a central portion, in the width direction, of a shroud lower, the grille shutter unit is attached to a back-face side of the shroud, and an actuator (driving actuator) for opening/closing the shutters is arranged at a back-face side of the center stay.
    Type: Application
    Filed: May 3, 2018
    Publication date: January 3, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Shunsuke FUJITANI, Daisuke SAKAGAMI, Haruo ETCHU, Nobuyuki NAKAYAMA, Yuhki TAKANAGA, Takeshi YAMADA, Masahide KANEMORI
  • Patent number: 9150096
    Abstract: A grill shutter unit comprises a shutter unit provided in back of a traveling-air introductory port formed at a front end of a vehicle body and including shutter members, and a traveling-air guide member including a guide frame portion provided at an outer peripheral edge portion of the shutter unit and a seal portion provided to extend forward continuously from a front end of the guide frame portion and be made from soft synthetic resin having more flexibility than the frame portion, wherein the grill shutter unit is configured such that when the shutter members are closed, a seal portion of the traveling-air guide member is pressed against an outer peripheral wall face of the traveling-air introductory port by pressure of traveling air shut off by the shutter members closed.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: October 6, 2015
    Assignee: Mazda Motor Corporation
    Inventors: Yuhki Takanaga, Kazuma Kondou, Manabu Yamaoka
  • Publication number: 20140291056
    Abstract: A grill shutter unit comprises a shutter unit provided in back of a traveling-air introductory port formed at a front end of a vehicle body and including shutter members, and a traveling-air guide member including a guide frame portion provided at an outer peripheral edge portion of the shutter unit and a seal portion provided to extend forward continuously from a front end of the guide frame portion and be made from soft synthetic resin having more flexibility than the frame portion, wherein the grill shutter unit is configured such that when the shutter members are closed, a seal portion of the traveling-air guide member is pressed against an outer peripheral wall face of the traveling-air introductory port by pressure of traveling air shut off by the shutter members closed.
    Type: Application
    Filed: February 26, 2014
    Publication date: October 2, 2014
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yuhki TAKANAGA, Kazuma KONDOU, Manabu YAMAOKA