Patents by Inventor Takahisa Fujiwara

Takahisa Fujiwara 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: 10518641
    Abstract: The control apparatus for a vehicle includes a determination unit that determines whether or not a start condition is established, the start condition including when a torque converter is in a lockup state, and when the vehicle is in an accelerating state; and a display control unit that causes an acting number of rotations to be displayed on a tachometer instead of an actual number of rotations when it is determined by the determination unit that the start condition is established. The display control unit calculates the acting number of rotations based on a target value of an input number of rotations of a continuously variable transmission, and varies the acting number of rotations with a rate of change having an absolute value that is greater than an absolute value of a rate of change of the actual number of rotations upon an abrupt change in the target value.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: December 31, 2019
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Teppei Tanizoe, Noritaka Aoyama, Kenji Ohmura, Masataka Ohtsuka, Nagamitsu Hiraoka, Ken Hirashita, Takahisa Fujiwara
  • Patent number: 10131230
    Abstract: A control apparatus for a vehicle includes a determination unit that determines whether or not a start condition is established, the start condition including a torque converter is in a non-lock-up state and the vehicle is starting; and a display control unit that causes a virtual number of rotations to be displayed on a tachometer instead of an actual number of rotations when it is determined by the determination unit that the start condition is established. The display control unit calculates an acting number of rotations by referring to the actual number of rotations and a number of rotations on a driving wheel side relative to the torque converter in an automatic transmission, and causes the acting number of rotations to be displayed on the tachometer as the virtual number of rotations.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 20, 2018
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Teppei Tanizoe, Noritaka Aoyama, Kenji Ohmura, Masataka Ohtsuka, Nagamitsu Hiraoka, Ken Hirashita, Takahisa Fujiwara
  • Publication number: 20180194226
    Abstract: A control apparatus for a vehicle includes a determination unit that determines whether or not a start condition is established, the start condition including a torque converter is in a non-lock-up state and the vehicle is starting; and a display control unit that causes a virtual number of rotations to be displayed on a tachometer instead of an actual number of rotations when it is determined by the determination unit that the start condition is established. The display control unit calculates an acting number of rotations by referring to the actual number of rotations and a number of rotations on a driving wheel side relative to the torque converter in an automatic transmission, and causes the acting number of rotations to be displayed on the tachometer as the virtual number of rotations.
    Type: Application
    Filed: December 11, 2017
    Publication date: July 12, 2018
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Teppei TANIZOE, Noritaka AOYAMA, Kenji OHMURA, Masataka OHTSUKA, Nagamitsu HIRAOKA, Ken HIRASHITA, Takahisa FUJIWARA
  • Publication number: 20180194225
    Abstract: The control apparatus for a vehicle includes a determination unit that determines whether or not a start condition is established, the start condition including when a torque converter is in a lockup state, and when the vehicle is in an accelerating state; and a display control unit that causes an acting number of rotations to be displayed on a tachometer instead of an actual number of rotations when it is determined by the determination unit that the start condition is established. The display control unit calculates the acting number of rotations based on a target value of an input number of rotations of a continuously variable transmission, and varies the acting number of rotations with a rate of change having an absolute value that is greater than an absolute value of a rate of change of the actual number of rotations upon an abrupt change in the target value.
    Type: Application
    Filed: December 11, 2017
    Publication date: July 12, 2018
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Teppei TANIZOE, Noritaka AOYAMA, Kenji OHMURA, Masataka OHTSUKA, Nagamitsu HIRAOKA, Ken HIRASHITA, Takahisa FUJIWARA
  • Patent number: 4498066
    Abstract: An electromagnetic device includes an electromagnet having one electrical coil and an annular member of high permeability having a pair of radially spaced first and second circumferential magnetic resistance portions. The first and second armatures are disposed in opposed relation to the first and second magnetic resistance portions, respectively. At least one of the first and second magnetic resistance portions is interrupted by circumferentially spaced magnetic bridge portions having such a size as to allow a predetermined amount of magnetic flux to pass therethrough to attract the one of the first and second armatures, disposed in opposed relation to the other of the first and second magnetic resistance portions, into contact with the annular member when excitation current of lower magnitude is applied to the coil. When excitation current of higher magnitude is applied to the coil, the magnetic flux passes through the first and second armatures, thereby attracting them into contact with the annular member.
    Type: Grant
    Filed: August 24, 1983
    Date of Patent: February 5, 1985
    Assignees: Shinko Electric Co., Ltd., Isuzu Motors Limited
    Inventors: Takahisa Fujiwara, Masaaki Narihisa, Katsuyuki Tamai