Patents by Inventor Norifumi Naono

Norifumi Naono 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).

  • Wheel and a wheelchair using the same
    Patent number: 10266003
    Abstract: Provided is a wheel which is inexpensive, light, and sufficiently rigid. A wheel 6a includes an annular rim 60 to which a tire 6b is externally fitted, a hub 61 which is arranged at a center portion of the rim 60 and to which an axle is connected, and a disk 62 which is attached with the rim 60 at a periphery portion and which covers one side of the wheel 6a. The disk 62 includes a planar portion 62a and a first rib 62b provided at a surface of one side of the planar portion 62a and extending in the radial direction. The planar portion 62a is provided with a first groove 62d at a surface of the other side at a position corresponding to the first rib 62b.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: April 23, 2019
    Assignees: HONDA MOTOR CO., LTD., HONDA R&D SUN CO., LTD.
    Inventors: Yoshihiro Kawahara, Yasuhiro Toguchi, Katsutoshi Tada, Ikumi Kurihara, Junji Takado, Norifumi Naono
  • Hand rim
    Patent number: 10117796
    Abstract: Provided is a hand rim which is not slippery even when the surface is wet. A hand rim 7 includes a base material 70 and an anti-slippage layer 71 formed on the surface of the base material 70. The anti-slippage layer 71 includes an adhesive layer 71a formed on the surface of the base material 70 and particles 71b which are fixed through the adhesive layer 71a. The particles 71b are fixed so as to protrude from the adhesive layer 71a.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: November 6, 2018
    Assignees: HONDA MOTOR CO., LTD., HONDA R&D SUN CO., LTD.
    Inventors: Akihiko Koshido, Takayuki Nodomi, Junji Takado, Norifumi Naono
  • HAND RIM
    Publication number: 20170304131
    Abstract: Provided is a hand rim which is not slippery even when the surface is wet. A hand rim 7 includes a base material 70 and an anti-slippage layer 71 formed on the surface of the base material 70. The anti-slippage layer 71 includes an adhesive layer 71a formed on the surface of the base material 70 and particles 71b which are fixed through the adhesive layer 71a. The particles 71b are fixed so as to protrude from the adhesive layer 71a.
    Type: Application
    Filed: January 23, 2017
    Publication date: October 26, 2017
    Inventors: Akihiko Koshido, Takayuki Nodomi, Junji Takado, Norifumi Naono
  • WHEEL AND A WHEELCHAIR USING THE SAME
    Publication number: 20170253075
    Abstract: Provided is a wheel which is inexpensive, light, and sufficiently rigid. A wheel 6a includes an annular rim 60 to which a tire 6b is externally fitted, a hub 61 which is arranged at a center portion of the rim 60 and to which an axle is connected, and a disk 62 which is attached with the rim 60 at a periphery portion and which covers one side of the wheel 6a. The disk 62 includes a planar portion 62a and a first rib 62b provided at a surface of one side of the planar portion 62a and extending in the radial direction. The planar portion 62a is provided with a first groove 62d at a surface of the other side at a position corresponding to the first rib 62b.
    Type: Application
    Filed: January 23, 2017
    Publication date: September 7, 2017
    Inventors: Yoshihiro Kawahara, Yasuhiro Toguchi, Katsutoshi Tada, Ikumi Kurihara, Junji Takado, Norifumi Naono