Patents by Inventor Yusaku Takeda

Yusaku Takeda 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: 11505065
    Abstract: A vehicle control device includes a depression amount detection unit, a depression speed detection unit, a reaction force setting unit, and a reaction force generation unit. The reaction force setting unit sets a value of a reaction force in a manner of separating characteristics into advancement characteristics and return characteristics.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: November 22, 2022
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Sho Yabunaka, Masatoshi Takayama, Yusaku Takeda
  • Patent number: 11048288
    Abstract: An operation device in which in-vehicle devices are controlled in accordance with a rotation angle of an input unit operated by a manual operation of a driver, which includes a commander rotatable about a rotation shaft, a rotation angular speed calculation unit that detects a rotation angular speed of the commander, a motor that gives an operation reaction force for each predetermined rotation angle of the commander, and an ECU that controls the operation reaction force given by the motor, wherein the ECU changes the operation reaction force in accordance with the rotation angular speed detected by the rotation angular speed calculation unit.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: June 29, 2021
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Sho Yabunaka, Masatoshi Takayama, Yusaku Takeda
  • Patent number: 10717447
    Abstract: The present invention includes: a visual perception target determination unit for determining a visual perception target by using a saliency model for determining that an object to be visually perceived at a glance is a visual perception target, a surprise model for determining that an object behaving abnormally is a visual perception target, and a normative model for determining that an object to be visually perceived by a viewing action of a driver serving as a norm is a visual perception target; and a visual guidance unit for determining whether or not an overlooked visual perception to which a line-of-sight direction detected by a line-of-sight detection unit is not directed is present, and guiding a line-of-sight of a driver toward the overlooked visual perception target, when the overlooked visual perception target is present.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: July 21, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Tadashi Isa, Masatoshi Yoshida, Richard Veale, Yusaku Takeda, Toshihiro Hara, Koji Iwase, Atsuhide Kishi, Kazuo Nishikawa, Takahide Nozawa
  • Publication number: 20200062116
    Abstract: A vehicle control device includes a depression amount detection unit, a depression speed detection unit, a reaction force setting unit, and a reaction force generation unit. The reaction force setting unit sets a value of a reaction force in a manner of separating characteristics into advancement characteristics and return characteristics.
    Type: Application
    Filed: December 4, 2017
    Publication date: February 27, 2020
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Sho YABUNAKA, Masatoshi TAKAYAMA, Yusaku TAKEDA
  • Publication number: 20190361479
    Abstract: An operation device in which in-vehicle devices are controlled in accordance with a rotation angle of an input unit operated by a manual operation of a driver, which includes a commander rotatable about a rotation shaft, a rotation angular speed calculation unit that detects a rotation angular speed of the commander, a motor that gives an operation reaction force for each predetermined rotation angle of the commander, and an ECU that controls the operation reaction force given by the motor, wherein the ECU changes the operation reaction force in accordance with the rotation angular speed detected by the rotation angular speed calculation unit.
    Type: Application
    Filed: February 16, 2018
    Publication date: November 28, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Sho YABUNAKA, Masatoshi TAKAYAMA, Yusaku TAKEDA
  • Patent number: 10274727
    Abstract: An edge of, for example, a windshield which serves as range of vision is defined by front pillars, a roof, and a dashboard. A modification area is provided at a peripheral portion of the windshield. In the modification area, visual saliency (visual conspicuousness) can be partially increased by means of, e.g., liquid crystals.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 30, 2019
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Koji Iwase, Yusaku Takeda, Toshihiro Hara, Atsuhide Kishi, Kazuo Nishikawa, Takahide Nouzawa
  • Publication number: 20180370357
    Abstract: A vehicle control device is provided, which includes a depression amount detector configured to detect a depression amount of an accelerator pedal, a processor configured to execute a reaction force setting module to set a reaction force of the accelerator pedal based on a detection result of the depression amount detector, a reaction force applying part configured to apply the reaction force to the accelerator pedal based on a setting result of the reaction force setting module, and an operation amount detector configured to detect an operation amount of a driver's foot on the accelerator pedal. The reaction force setting module sets a reaction force value of the accelerator pedal for a depression characteristic and a counter-depression characteristic. The reaction force setting module includes a reaction force correcting module configured to reduce the reaction force value of the counter-depression characteristic as the detected operation amount increases.
    Type: Application
    Filed: May 4, 2018
    Publication date: December 27, 2018
    Inventors: Sho Yabunaka, Yusaku Takeda, Masatoshi Takayama
  • Publication number: 20180362053
    Abstract: The present invention includes: a visual perception target determination unit for determining a visual perception target by using a saliency model for determining that an object to be visually perceived at a glance is a visual perception target, a surprise model for determining that an object behaving abnormally is a visual perception target, and a normative model for determining that an object to be visually perceived by a viewing action of a driver serving as a norm is a visual perception target; and a visual guidance unit for determining whether or not an overlooked visual perception to which a line-of-sight direction detected by a line-of-sight detection unit is not directed is present, and guiding a line-of-sight of a driver toward the overlooked visual perception target, when the overlooked visual perception target is present.
    Type: Application
    Filed: December 16, 2016
    Publication date: December 20, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Tadashi ISA, Masatoshi YOSHIDA, Richard VEALE, Yusaku TAKEDA, Toshihiro HARA, Koji IWASE, Atsuhide KISHI, Kazuo NISHIKAWA, Takahide NOZAWA
  • Publication number: 20180031831
    Abstract: An edge of, for example, a windshield which serves as range of vision is defined by front pillars, a roof, and a dashboard. A modification area is provided at a peripheral portion of the windshield. In the modification area, visual saliency (visual conspicuousness) can be partially increased by means of, e.g., liquid crystals.
    Type: Application
    Filed: July 21, 2017
    Publication date: February 1, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Koji IWASE, Yusaku TAKEDA, Toshihiro HARA, Atsuhide KISHI, Kazuo NISHIKAWA, Takahide NOUZAWA
  • Patent number: 7946641
    Abstract: A floor structure on a driver side of a vehicle where a control pedal, such as a brake pedal, adapted to be depressedly operated by a driver seated in a driver seat arranged at a front of a passenger compartment. The floor structure has a heel-placement zone which is provided on an approximately horizontal floor portion located rearward of a depressing point of the control pedal, and formed to have a frontward region adapted to allow a short person seated in the driver seat place his/her heel thereon and a rearward region adapted to allow a tall person seated in the driver seat place his/her heel thereon. The heel-placement zone includes an inclined surface portion formed in at least part thereof in such a manner as to rise relative to a surrounding area of the floor portion and has an upper surface extending obliquely upwardly and frontwardly.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: May 24, 2011
    Assignee: Mazda Motor Corporation
    Inventors: Tomonori Ohtsubo, Hiroki Uemura, Yusaku Takeda, Asami Iwamoto
  • Publication number: 20100263469
    Abstract: A floor structure of a driver's seat for an automotive vehicle comprises an organ type of accelerator pedal supported swingably at a support point with its lower-end hinge portion, a hanging type of brake pedal provided beside the accelerator pedal and supported swingably at a support point with its upper pivotal portion, a floor mat covering an upper face of a front portion of a floor panel located in front of the driver's seat, and an incline forming member provided at a specified portion of the floor mat located in back of a pressing-face board of the accelerator pedal, the incline forming member forming an incline portion at an upper face of a heel placing area on which a driver's heel is placed, the incline portion being inclined so that its front portion is positioned at a higher level than its rear portion.
    Type: Application
    Filed: April 6, 2010
    Publication date: October 21, 2010
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Tomonori OHTSUBO, Asami IWAMOTO, Hiroki UEMURA, Yusaku TAKEDA, Daisuke UMETSU, Yoji YATSUSHIRO
  • Patent number: 7695045
    Abstract: A driving position adjusting device comprises a seat-position adjusting mechanism to adjust height and seat-face angle of a seat cushion in accordance with longitudinal movement of a driver's seat, and a floor adjusting mechanism to adjust a height of a floor board in accordance with the operation of the longitudinal adjustment of the driver's seat, wherein the seat-position adjusting mechanism is configured so that an inclination angle of the seat cushion becomes smaller as the driver's seat is moved forward from a middle position, and the floor adjusting mechanism is configured so that the height of the floor board becomes higher as the driver's seat is moved forward from the middle position. Accordingly, the sitting position of the driver and the operational function of the operational pedal can be provided properly regardless of the body size of the driver.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: April 13, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Yusaku Takeda, Tomonori Ohtsubo, Hiroki Uemura, Naoki Yamada
  • Publication number: 20100071500
    Abstract: There is provided a pedal device of an automotive vehicle, which comprises a plate-shaped pedal body, a lower end of which is rotatably supported at a pivot (support axis) which is disposed on a vehicle floor at a position where a foot of a driver seated in a driver's seat is to be located, the pedal body being provided so as to rotate around the pivot and swing longitudinally according to a pressing operation of the driver's foot, and a slant-face member which is provided behind the pivot which supports the lower end of the pedal body, the slant-face member having a slant upper face which extends obliquely rearward and downward with a slant angle within a rage of 13.5 to 23.5 degrees.
    Type: Application
    Filed: August 10, 2009
    Publication date: March 25, 2010
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Tomonori Ohtsubo, Daisuke Umetsu, Asami Iwamoto, Hiroki Uemura, Yusaku Takeda
  • Publication number: 20090248257
    Abstract: An egress-start determining device determines a start of egress of a passenger seated in a seat of a vehicle. A completion determining device determines completion of a driver's head moving out of a door opening of the vehicle after the start of egress of the passenger. A seat-sitting-face height adjusting device adjusts a height of a sitting face of the seat in such a manner that the height is adjusted to a first height during a time from the start of egress of the passenger to the completion of the driver's head moving out of the door opening of the vehicle, and the height is adjusted to a second height after the completion of the driver's head moving out of the door opening of the vehicle.
    Type: Application
    Filed: February 28, 2009
    Publication date: October 1, 2009
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yoko Hoshino, Hiroki Uemura, Yoshihisa Okamoto, Tadayuki Niibe, Yusaku Takeda
  • Publication number: 20090230730
    Abstract: A floor structure on a driver side of a vehicle where a control pedal, such as a brake pedal 5, adapted to be depressedly operated by a driver seated in a driver seat 1 is arranged at a front of a passenger compartment. The floor structure comprises a heel-placement zone 10 which is provided on an approximately horizontal floor portion 8 located rearward of a depressing point 5a of the control pedal, and formed to have a frontward region 11 adapted to allow a short person seated in the driver seat 1 to place his/her heel thereon and a rearward region 12 adapted to allow a tall person seated in the driver seat 1 to place his/her heel thereon. The heel-placement zone 10 including an inclined surface portion 14 formed in at least part thereof in such a manner as to rise relative to a surrounding area of the floor portion 8 and have an upper surface extending obliquely upwardly and frontwardly.
    Type: Application
    Filed: March 3, 2009
    Publication date: September 17, 2009
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Tomonori Ohtsubo, Hiroki Uemura, Yusaku Takeda, Asami Iwamoto
  • Patent number: 7520365
    Abstract: A steering apparatus for a vehicle, which can reduce the steering load and allows accurate steering angle control, is provided. In the steering apparatus for a vehicle, an estimation unit estimates a mechanical impedance upon a driver's steering manipulation. A control unit controls the steering reaction force of a steering wheel based on the estimated mechanical impedance.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: April 21, 2009
    Assignee: Mazda Motor Corporation
    Inventors: Hitoshi Fukuba, Yoshihisa Okamoto, Naoki Yamada, Masaki Chiba, Yusuke Kohge, Hiroko Gendou, Yusaku Takeda
  • Publication number: 20090088930
    Abstract: Disclosed is a driving posture adjusting apparatus comprising: a seat-position adjusting mechanism (2) adapted to move a seat cushion (1a) of a driver seat (1) in a longitudinal direction so as to adjust a longitudinal position of the driver seat (1); a seated-posture adjusting mechanism (3) adapted to adjust a seated posture of a driver seated in the driver seat (1); a controllability adjusting mechanism (7) adapted to adjust controllability for an operation section (4) to be operated by the driver; a seat slide switch (91) adapted to issue an instruction for actuating the seat-position adjusting mechanism (2) to move the seat cushion (1a) of the driver seat (1) in the longitudinal direction; and control unit (95) operable to actuate the seated-posture adjusting mechanism (3) and the controllability adjusting mechanism (7), in correlation with the longitudinal position of the driver seat (1) adjusted according to an input signal through the seat slide switch (91), so as to obtain a driving posture correspond
    Type: Application
    Filed: October 1, 2008
    Publication date: April 2, 2009
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Tomonori OHTSUBO, Hiroki UEMURA, Yusaku TAKEDA, Asami IWAMOTO, Hirokazu YAMASAKI, Toshikazu MAEDA
  • Publication number: 20080231090
    Abstract: A driving position adjusting device comprises a seat-position adjusting mechanism to adjust height and seat-face angle of a seat cushion in accordance with longitudinal movement of a driver's seat, and a floor adjusting mechanism to adjust a height of a floor board in accordance with the operation of the longitudinal adjustment of the driver's seat, wherein the seat-position adjusting mechanism is configured so that an inclination angle of the seat cushion becomes smaller as the driver's seat is moved forward from a middle position, and the floor adjusting mechanism is configured so that the height of the floor board becomes higher as the driver's seat is moved forward from the middle position. Accordingly, the sitting position of the driver and the operational function of the operational pedal can be provided properly regardless of the body size of the driver.
    Type: Application
    Filed: February 26, 2008
    Publication date: September 25, 2008
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yusaku TAKEDA, Tomonori OHTSUBO, Hiroki UEMURA, Naoki YAMADA
  • Publication number: 20070219691
    Abstract: A steering apparatus for a vehicle, which can reduce the steering load and allows accurate steering angle control, is provided. In the steering apparatus for a vehicle, an estimation unit estimates a mechanical impedance upon a driver's steering manipulation. A control unit controls the steering reaction force of a steering wheel based on the estimated mechanical impedance.
    Type: Application
    Filed: March 7, 2007
    Publication date: September 20, 2007
    Inventors: Hitoshi Fukuba, Yoshihisa Okamoto, Naoki Yamada, Masaki Chiba, Yusuke Kohge, Hiroko Gendou, Yusaku Takeda