Patents by Inventor Youhei Nonaka

Youhei Nonaka 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).

  • Bar material supply device of numerically controlled automatic lathe
    Patent number: 7461577
    Abstract: There is provided a bar material supply device of a simple configuration suited to machining of a bar material without increasing machining cost even when a short bar material such as an end material is machined.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: December 9, 2008
    Assignee: Citizen Holdings Co., Ltd.
    Inventors: Takaichi Nakaya, Takashi Kawakubo, Tadahiro Iida, Youhei Nonaka
  • Bar material supply device of numerically controlled automatic lathe
    Publication number: 20070151429
    Abstract: There is provided a bar material supply device of a simple configuration suited to machining of a bar material without increasing machining cost even when a short bar material such as an end material is machined.
    Type: Application
    Filed: November 22, 2004
    Publication date: July 5, 2007
    Applicant: Citizen Watch Co., Ltd.
    Inventors: Takaichi Nakaya, Takashi Kawakubo, Tadahiro Iida, Youhei Nonaka