Patents by Inventor Koji Yanagida

Koji Yanagida 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).

  • Apparatus and method for melting and treating metal wastes
    Patent number: 4591454
    Abstract: An apparatus for melting and treating metal wastes including radioactive wastes, including a melting and treating vessel formed of the upper surface of a truck and split mold, wherein metal wastes are charged into the vessel in a closed system and melted by an electroslag melting method using a non-consumable electrode. This invention also provides a method which includes the steps of charging a slag melt starting agent and slag into the vessel in layers, and passing electricity through the non-consumable electrode to thereby heat the starting agent.
    Type: Grant
    Filed: August 21, 1984
    Date of Patent: May 27, 1986
    Assignee: Doryokuro Kakunenryo Kaihatsu Jigyodan
    Inventors: Katsuyuki Ohtsuka, Ryukichi Mizuno, Koji Yanagida, Kazuo Kitagawa, Atsuhiro Ochiai, Minoru Harada, Hiroshi Matsumoto
  • Menu display for a mobile phone
    Patent number: D479531
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: September 9, 2003
    Assignees: Sanyo Electric Co., Ltd., Sanyo Telecommunications Co., Ltd.
    Inventor: Koji Yanagida
  • Telephone instrument
    Patent number: D287012
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: December 2, 1986
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Koji Yanagida, Tadanori Fujiwara
  • Lighting fixture
    Patent number: D648060
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 1, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Kazufumi Yoshida, Naoki Sugishita, Yasuhiro Sano, Koji Yanagida, Kenichi Suzuki