Patents by Inventor Naoki Yasumitsu

Naoki Yasumitsu 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).

  • Patent number: 6965115
    Abstract: An airtight processing apparatus comprises a chamber having a side wall and a bottom wall airtightly fixed to the side wall, and a bed supported inside the chamber by the side wall with a gap from the bottom wall.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: November 15, 2005
    Assignee: Sumitomo Heavy Industries, Ltd.
    Inventors: Naoki Yasumitsu, Eiichi Hiraoka, Yoshiyuki Tomita
  • Publication number: 20040263819
    Abstract: An airtight processing apparatus comprises a chamber having a side wall and a bottom wall airtightly fixed to the side wall, and a bed supported inside the chamber by the side wall with a gap from the bottom wall.
    Type: Application
    Filed: June 25, 2004
    Publication date: December 30, 2004
    Applicant: Sumitomo Heavy Industries, Ltd.
    Inventors: Naoki Yasumitsu, Eiichi Hiraoka, Yoshiyuki Tomita