Patents by Inventor Akinari Hirao

Akinari Hirao 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: 10543764
    Abstract: A vehicle seat (1) includes a seat cushion (2) and a seat back (3), in which the seat cushion (2) is given a stiffness distribution in a front-rear direction in such a way that a front part of the seat cushion is provided with a low stiffness region (PSc) which is more flexible than a rear part of the seat cushion being a high stiffness region (PHc).
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: January 28, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Rumiko Oshima, Shigeki Ishiwata, Masahiro Egami, Akinari Hirao, Atsushi Takamatsu, Takayoshi Nagano, Mitsuhito Ito
  • Patent number: 8983737
    Abstract: A seat includes a seat cushion, and a seat back divided into an upper seat back and a lower seat back. The upper seat back and the lower seat back are connected in a way that their respective angles can be adjusted. The seat further includes a recliner drive part capable of varying a reclining angle which is an angle of the lower seat back to the seat cushion, and a middle bend drive part capable of varying a middle bend angle which is an angle of the upper seat back to the lower seat back. The seat additionally includes a control part configured to perform interlock control for interlocking the reclining angle and the middle bend angle on the basis of a predetermined interlock function.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: March 17, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Akinari Hirao
  • Publication number: 20140077560
    Abstract: A seat (1) includes a seat cushion (2); a seat back (3) divided into an upper seat back (4) and a lower seat back (5), the upper seat back (4) and the lower seat back (5) being connected in way that their respective angles can be adjusted; recliner drive means (7) capable of varying a reclining angle which is an angle of the lower seat back (5) to the seat cushion (2); middle bend drive means (10) capable of varying a middle bend angle which is an angle of the upper seat back (4) to the lower seat back (5); and a control part (13) configured to perform interlock control for interlocking the reclining angle and the middle bend angle on the basis of a predetermined interlock function.
    Type: Application
    Filed: March 5, 2012
    Publication date: March 20, 2014
    Inventor: Akinari Hirao
  • Publication number: 20130175838
    Abstract: A vehicle seat (1) includes a seat cushion (2) and a seat back (3), in which the seat cushion (2) is given a stiffness distribution in a front-rear direction in such a way that a front part of the seat cushion is provided with a low stiffness region (PSc) which is more flexible than a rear part of the seat cushion being a high stiffness region (PHc).
    Type: Application
    Filed: September 30, 2011
    Publication date: July 11, 2013
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Rumiko Oshima, Shigeki Ishiwata, Masahiro Egami, Akinari Hirao, Atsushi Takamatsu, Takayoshi Nagano, Mitsuhito Ito
  • Patent number: 7259746
    Abstract: In display apparatus and method for an automotive vehicle in which an image display is mounted, a road map data image is stored in a storage medium, a mark representing the present position of the vehicle is superimposed on the road map data image, the road map data image is rotated on an image screen of the image display in accordance with a traveling direction of the vehicle while displaying the road map data image on an image screen of the image display, and a display form of the displayed road map data image is varied between a region of the road map data image which is near to a displayed position at which the vehicle is present and another region thereof which is remote from the displayed position thereof while rotating the road map data image on the image screen of the image display section.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: August 21, 2007
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kazuhito Kato, Satoshi Kitazaki, Yoshiharu Nakaji, Shunsuke Hijikata, Akinari Hirao
  • Patent number: 6806848
    Abstract: A display unit is disposed in front of a driver's seat in a front central region of a passenger compartment of a vehicle. A sensor senses a condition, such as a driver's eye position, an outside brightness and a steering frequency, affecting the uneasiness of a driver caused by the display screen. A controller reduces the size of a picture display region in accordance with the condition to achieve an agreeable size and position of picture on the screen.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: October 19, 2004
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Akinari Hirao, Satoshi Kitazaki, Kenji Ono, Shunsuke Hijikata, Kazuhito Kato, Yoshiharu Nakaji
  • Patent number: 6556134
    Abstract: In display apparatus and method for an automotive vehicle, a display (2) is disposed on a position of the vehicle placed in a proximity to a dashboard surface of the vehicle and a controller (7), when a state of the vehicle which satisfies a predetermined condition is detected, executes a process to gradually reduce a brightness of an image screen of the display toward a predetermined direction which is more distant from a direction of a line of sight of a vehicular driver when the vehicular driver gazes a vehicular forward direction. In one embodiment, the controller gradually reduces the brightness of the image screen of the display toward the predetermined direction in a linear manner. The predetermined direction is, for example, directed from an upper end of the image screen to a lower end thereof.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: April 29, 2003
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yoshiharu Nakaji, Satoshi Kitazaki, Kazuhito Kato, Shunsuke Hijikata, Akinari Hirao
  • Publication number: 20030025615
    Abstract: In display apparatus and method for an automotive vehicle in which an image display is mounted, a road map data image is stored in a storage medium, a mark representing the present position of the vehicle is superimposed on the road map data image, the road map data image is rotated on an image screen of the image display in accordance with a traveling direction of the vehicle while displaying the road map data image on an image screen of the image display, and a display form of the displayed road map data image is varied between a region of the road map data image which is near to a displayed position at which the vehicle is present and another region thereof which is remote from the displayed position thereof while rotating the road map data image on the image screen of the image display section.
    Type: Application
    Filed: March 13, 2002
    Publication date: February 6, 2003
    Inventors: Kazuhito Kato, Satoshi Kitazaki, Yoshiharu Nakaji, Shunsuke Hijikata, Akinari Hirao
  • Publication number: 20020075136
    Abstract: In display apparatus and method for an automotive vehicle, a display (2) is disposed on a position of the vehicle placed in a proximity to a dashboard surface of the vehicle and a controller (7), when a state of the vehicle which satisfies a predetermined condition is detected, executes a process to gradually reduce a brightness of an image screen of the display toward a predetermined direction which is more distant from a direction of a line of sight of a vehicular driver when the vehicular driver gazes a vehicular forward direction. In one embodiment, the controller gradually reduces the brightness of the image screen of the display toward the predetermined direction in a linear manner. The predetermined direction is, for example, directed from an upper end of the image screen to a lower end thereof.
    Type: Application
    Filed: November 14, 2001
    Publication date: June 20, 2002
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Yoshiharu Nakaji, Satoshi Kitazaki, Kazuhito Kato, Shunsuke Hijikata, Akinari Hirao
  • Publication number: 20020067366
    Abstract: A display unit is disposed in front of a driver's seat in a front central region of a passenger compartment of a vehicle. A sensor senses a condition, such as a driver's eye position, an outside brightness and a steering frequency, affecting the uneasiness of a driver caused by the display screen. A controller reduces the size of a picture display region in accordance with the condition to achieve an agreeable size and position of picture on the screen.
    Type: Application
    Filed: November 14, 2001
    Publication date: June 6, 2002
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Akinari Hirao, Satoshi Kitazaki, Kenji Ono, Shunsuke Hijikata, Kazuhito Kato, Yoshiharu Nakaji