Patents by Inventor Yoji Shimura

Yoji Shimura 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).

  • Oscillating bed
    Patent number: 5404603
    Abstract: A bedding supporting floor is supported on a stationary frame supported on a base having castors through a lifting device so that the bedding supporting floor is oscillated about an oscillation shaft provided on a center axis thereof, and an oscillation device for oscillating the bedding supporting floor with respect to the stationary frame is provided. A plate-like bearing member having a circular arc edge provided on a head portion and a foot portion of the bedding supporting floor is placed on a pair of rolls supported on the stationary frame.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: April 11, 1995
    Assignee: Nishikawa Sangyo Co., Ltd.
    Inventors: Koushiro Fukai, Yoshihisa Yamamoto, Yoji Shimura, Kenji Takagi
  • Mattress
    Patent number: D927227
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: August 10, 2021
    Assignee: NISHIKAWA Co., Ltd.
    Inventors: Ko Tajima, Yoji Shimura, Akihiko Kawasaka
  • Mattress
    Patent number: D927890
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: August 17, 2021
    Assignee: NISHIKAWA Co., Ltd.
    Inventors: Ko Tajima, Yoji Shimura, Akihiko Kawasaka
  • Cushion material
    Patent number: D966011
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 11, 2022
    Assignee: NISHIKAWA CO., LTD.
    Inventors: Ko Tajima, Yoji Shimura, Akihiko Kawasaka