Patents by Inventor Shinji Ohwaku

Shinji Ohwaku 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).

  • Cover for a blower
    Patent number: D532897
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: November 28, 2006
    Assignee: Maruyama Mfg. Co., Inc.
    Inventors: Kazuhiro Yoshida, Shinji Ohwaku, Junichi Miyamoto
  • Backpack blower
    Patent number: D533266
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: December 5, 2006
    Assignee: Maruyama Mfg. Co., Inc.
    Inventors: Kazuhiro Yoshida, Shinji Ohwaku, Junichi Miyamoto
  • Frame for carrying a backpack blower
    Patent number: D542534
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: May 15, 2007
    Assignee: Maruyama Mfg. Co., Inc.
    Inventors: Kazuhiro Yoshida, Shinji Ohwaku, Junichi Miyamoto