Patents by Inventor Masahiro Shirasawa

Masahiro Shirasawa 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).

  • Elevator control panel
    Patent number: D769145
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 18, 2016
    Assignee: FUJITEC CO., LTD.
    Inventors: Kentaro Mikogami, Masataka Nozu, Masahiro Shirasawa
  • Elevator control panel
    Patent number: D827471
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: September 4, 2018
    Assignee: FUJITEC CO., LTD.
    Inventors: Kentaro Mikogami, Masataka Nozu, Masahiro Shirasawa, Masayoshi Kubo, Sumiko Kiriya, Kei Ogawa