Patents by Inventor Syunsuke ISHIMARU

Syunsuke ISHIMARU 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: 11439239
    Abstract: A backrest includes: a backrest body against which a seated person leans a back thereof, a backrest support positioned behind and supporting the backrest body; and an armrest body provided outside in a width direction of the backrest body and supported by the backrest support so as to move up and down at a position separated from the backrest body. A chair includes the above-described backrest.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 13, 2022
    Assignee: OKAMURA CORPORATION
    Inventors: Hiroshi Masunaga, Syunsuke Ishimaru
  • Publication number: 20210337971
    Abstract: A backrest includes: a backrest body against which a seated person leans a back thereof, a backrest support positioned behind and supporting the backrest body; and an armrest body provided outside in a width direction of the backrest body and supported by the backrest support so as to move up and down at a position separated from the backrest body. A chair includes the above-described backrest.
    Type: Application
    Filed: October 17, 2019
    Publication date: November 4, 2021
    Inventors: Hiroshi MASUNAGA, Syunsuke ISHIMARU