Patents by Inventor Dai Kamata

Dai Kamata 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: 11945509
    Abstract: A vehicle body rear part structure includes a rear frame and a beam member. The rear frame has: a first inner bead, a first outer bead, a second inner bead, and a second outer bead. The first inner bead and the first outer bead are formed on an inner wall and an outer wall, respectively, in a region close to the beam member. The second inner bead and the second outer bead are formed on the inner wall and the outer wall, respectively, in a region that is separated to a vehicle body frontward direction from the first beads. The first outer bead is formed to have a higher fragility than the first inner bead.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: April 2, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shungo Chino, Yuya Akaba, Toshihiro Yamaguchi, Kyosuke Yamakita, Yusuke Miura, Dai Kamata, Chihiro Sakagami, Kosuke Fushimi, Shohei Ohtsuka, Hitomi Yamada
  • Publication number: 20230278639
    Abstract: A vehicle body rear section includes a rear floor pan (11), a floor pan reinforcement member (20), and a towing load receiving section. The rear floor pan (11) has an upper surface to which the spare tire (16) is fixed. The floor pan reinforcement member (20) is fixed to a lower surface of the rear floor pan (11). The towing load receiving section protrudes downward from a rear section of the rear floor pan (11). The floor pan reinforcement member (20) extends at least partially from a support position of the towing load receiving section toward a front side of a fixed position of the spare tire (16). An easy-deformable portion (22) with lower bending strength than that of front and rear regions is provided in front of the fixed position of the spare tire (16) in a reinforcement region of the rear floor pan (11).
    Type: Application
    Filed: February 24, 2023
    Publication date: September 7, 2023
    Inventors: Takuya Sasaki, Toshihiro Yamaguchi, Kyosuke Yamakita, Takashi Nitta, Dai Kamata, Yusuke Miura
  • Publication number: 20230264763
    Abstract: A vehicle rear structure includes a spare tire bracket which has a longer rear section than a front section thereof in the vehicle with respect to a spare tire fixing portion, a spare tire fixed to the spare tire fixing portion, and reinforcement member having a second inclination reinforcing portion extending upward from a rear section of a rear floor pan towards the front of the vehicle. The spare tire bracket has a first easy bending section provided behind the spare tire fixing portion in the vehicle. The reinforcement member has a second easy bending section provided behind the spare tire fixing portion in the vehicle.
    Type: Application
    Filed: December 12, 2022
    Publication date: August 24, 2023
    Inventors: Takuya Sasaki, Toshihiro Yamaguchi, Kyosuke Yamakita, Takashi Nitta, Dai Kamata, Yusuke Miura
  • Publication number: 20230015659
    Abstract: This vehicle body rear structure includes a tire pan provided to protrude downward from a floor of a vehicle rear section and including a spare tire fixing portion configured to fix a center portion of a spare tire, and a jack base provided on the tire pan, and the jack base extends downward from the tire pan on a rear side with respect to a vehicle body, and has a front end portion continuously extending from the spare tire fixing portion to a front side of the vehicle body.
    Type: Application
    Filed: July 13, 2022
    Publication date: January 19, 2023
    Inventors: Takuya Sasaki, Toshihiro Yamaguchi, Kyosuke Yamakita, Takashi Nitta, Dai Kamata, Yusuke Miura
  • Publication number: 20220258808
    Abstract: A vehicle body rear part structure includes a rear frame and a beam member. The rear frame has: a first inner bead, a first outer bead, a second inner bead, and a second outer bead. The first inner bead and the first outer bead are formed on an inner wall and an outer wall, respectively, in a region close to the beam member. The second inner bead and the second outer bead are formed on the inner wall and the outer wall, respectively, in a region that is separated to a vehicle body frontward direction from the first beads. The first outer bead is formed to have a higher fragility than the first inner bead.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 18, 2022
    Inventors: Shungo Chino, Yuya Akaba, Toshihiro Yamaguchi, Kyosuke Yamakita, Yusuke Miura, Dai Kamata, Chihiro Sakagami, Kosuke Fushimi, Shohei Ohtsuka, Hitomi Yamada