Patents by Inventor Masahiko Okubo

Masahiko Okubo 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).

  • Laser processing machine
    Patent number: D690744
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: October 1, 2013
    Assignees: Komatsu Industries Corporation., Komatsu Ltd.
    Inventors: Toshihiro Koide, Seiichi Hayashi, Masahiko Okubo
  • Digital multifunction device
    Patent number: D1020870
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 2, 2024
    Assignee: FUJIFILM CORPORATION
    Inventors: Megumi Okubo, Masahiko Yamamoto