Patents by Inventor Kouki Sai

Kouki Sai 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).

  • Powder supplying apparatus and powder molding apparatus
    Patent number: 7018194
    Abstract: A powder molding apparatus comprises a mold comprising a die having a powder molding space and upper and lower punch units, and a compression driving mechanism for performing compression molding by driving the upper and lower punch units independently, wherein molded articles formed by the compression molding are held by engaging lower first and second punches serving as a formed article holding mechanism at the time of transporting the molded articles. Thus, the molded articles can be prevented from falling or shifting while being transported between stages, thereby providing a powder molding apparatus capable of high speeds.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: March 28, 2006
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Makoto Kitamura, Shigeki Takahashi, Tadanori Higaki, Yoshio Oda, Kouki Sai, Shigeyuki Takeuchi
  • Powder supplying apparatus and powder molding apparatus
    Publication number: 20020090412
    Abstract: A powder molding apparatus comprises a mold comprising a die having a powder molding space and upper and lower punch units, and a compression driving mechanism for performing compression molding by driving the upper and lower punch units independently, wherein molded articles formed by the compression molding are held by engaging lower first and second punches serving as a formed article holding mechanism at the time of transporting the molded articles. Thus, the molded articles can be prevented from falling or shifting while being transported between stages, thereby providing a powder molding apparatus capable of high speeds.
    Type: Application
    Filed: December 4, 2001
    Publication date: July 11, 2002
    Inventors: Makoto Kitamura, Shigeki Takahashi, Tadanori Higaki, Yoshio Oda, Kouki Sai, Shigeyuki Takeuchi
  • Optical record medium judging method and apparatus and focus servo controlling method and apparatus
    Patent number: 5978337
    Abstract: The distances from external surfaces to information record surfaces of the optical record mediums of various types are different from each other.
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: November 2, 1999
    Assignee: Pioneer Electronic Corporation
    Inventors: Noriyoshi Takeya, Kouki Sai
  • Optical record medium judging method and apparatus and focus servo controlling method and apparatus
    Patent number: 5790493
    Abstract: The distances from external surfaces to information record surfaces of the optical record mediums of various types are different from each other.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: August 4, 1998
    Assignee: Pioneer Electronic Corporation
    Inventors: Noriyoshi Takeya, Kouki Sai