Patents by Inventor Jun Enta

Jun Enta 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: 20220176532
    Abstract: A driving device includes: a main body; a striking part movably supported by the main body; a handle protruding from the main body; and a nose part attached to the main body and holding a fastener before being hit by the striking part, the nose part movably accommodating the striking part and having an injection path for guiding the fastener and an injection port connecting with the injection path and firing the fastener, an opening extending from the injection port toward the handle being provided on a handle side of the injection path, and a width of the opening being larger than an outer diameter of a head of the fastener in a plan view perpendicular to a linear moving direction of the striking part.
    Type: Application
    Filed: July 28, 2020
    Publication date: June 9, 2022
    Inventors: Tomoya NAKAJIMA, Jun ENTA, Takeshi SAITOU
  • Patent number: 11207768
    Abstract: A fastener driving machine provided with a mechanism to lubricate pins or racks is realized. A fastener driving machine includes a driver blade, pins, and a lubricant feeding mechanism. The driver blade can reciprocate in a first direction and a second direction opposite to each other, and hits a fastener when the driver blade moves in the first direction. The pins respectively engage with racks provided on the driver blade to move the driver blade in the second direction. The lubricant feeding mechanism supplies lubricant to the racks and the pins.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: December 28, 2021
    Assignee: KOKI HOLDINGS CO., LTD.
    Inventors: Jun Enta, Seiichi Kodato, Takashi Ueda, Toshinori Yasutomi
  • Publication number: 20210138622
    Abstract: A fastener driving machine provided with a mechanism to lubricate pins or racks is realized. A fastener driving machine includes a driver blade, pins, and a lubricant feeding mechanism. The driver blade can reciprocate in a first direction and a second direction opposite to each other, and hits a fastener when the driver blade moves in the first direction. The pins respectively engage with racks provided on the driver blade to move the driver blade in the second direction. The lubricant feeding mechanism supplies lubricant to the racks and the pins.
    Type: Application
    Filed: February 23, 2018
    Publication date: May 13, 2021
    Inventors: Jun ENTA, Seiichi KODATO, Takashi UEDA, Toshinori YASUTOMI
  • Patent number: D699672
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: February 18, 2014
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Shingo Kosugi, Masanori Okada, Yuji Kishima, Jun Enta
  • Patent number: D1010414
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: January 9, 2024
    Assignee: Koki Holdings Co., Ltd.
    Inventors: Yoshiki Aoki, Masanori Okada, Jun Enta