Patents by Inventor Shinichi Sugahara

Shinichi Sugahara 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).

  • Metal diaphragm
    Patent number: 8287981
    Abstract: Provided is a diaphragm that can be securely and firmly fixed to a predetermined fixing position without deteriorating the function of a film part. The diaphragm is provided with a film part (1a) that is elastically deformable by a predetermined pressure, a thick part (1b) that is disposed at a rim portion of the film part (1a) and has a thickness greater than the film part (1a), and a protection part (1d) that is disposed between the film part (1a) and the thick part (1b) in contact with the film part (1a) and is elastically deformable along with elastic deformation of the film part (1a) to protect the film part (1a).
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: October 16, 2012
    Assignee: Tacmina Corporation
    Inventors: Toshiharu Shimizu, Shigehisa Kinugawa, Shinichi Sugahara
  • Metal Diaphragm
    Publication number: 20110020588
    Abstract: Provided is a diaphragm that can be securely and firmly fixed to a predetermined fixing position without deteriorating the function of a film part. The diaphragm is provided with a film part (1a) that is elastically deformable by a predetermined pressure, a thick part (1b) that is disposed at a rim portion of the film part (1a) and has a thickness greater than the film part (1a), and a protection part (1d) that is disposed between the film part (1a) and the thick part (1b) in contact with the film part (1a) and is elastically deformable along with elastic deformation of the film part (1a) to protect the film part (1a).
    Type: Application
    Filed: March 13, 2009
    Publication date: January 27, 2011
    Applicant: TACMINA CORPORATION
    Inventors: Toshiharu Shimizu, Shigehisa Kinugawa, Shinichi Sugahara