Patents by Inventor Tomoyuki KUTSUNA

Tomoyuki KUTSUNA 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).

  • Publication number: 20160075007
    Abstract: To provide a handle that is effective at achieving both vibration resistance and usability. A handle attached to a tool body of a power tool has: a grip portion; a connecting portion that connects to the tool body; elastic element interposing regions that are formed between the grip portion and the connecting portion; elastic elements disposed in the elastic element interposing regions; a powder filling region formed between the grip portion and connecting portion; and a plurality of powder bodies that fill the powder filling region.
    Type: Application
    Filed: April 16, 2014
    Publication date: March 17, 2016
    Inventors: Tomoyuki KUTSUNA, Ryo SUNAZUKA, Yoshitaka MACHIDA, Masahiro ITO
  • Publication number: 20150327352
    Abstract: A power-operated work apparatus has a machine body which includes an electrostatic charge inducing member that may induce electrostatic charges thereon, and is adapted to be used with the machine body maintained electrically ungrounded. The work apparatus includes: a grip which is adapted to be grasped and held by a user and has an outer surface to be touched by the user and an inner surface forming an inner space; an electroconductive body member which forms an electroconductive body exposed on at least a part of the outer surface of the grip; and an electroconductive line member which is configured to be charged with the electrostatic charges induced on the electrostatic charge inducing member and has a part disposed inside the grip neighboring to and without electrically touching the electroconductive body forming member. The electrostatic charges are to spark from the electroconductive line member to the electroconductive body member.
    Type: Application
    Filed: May 7, 2015
    Publication date: November 12, 2015
    Applicant: MAKITA CORPORATION
    Inventors: Yoshinari KIKUCHI, Tomoyuki KUTSUNA, Hiroki SUGIYAMA