Patents by Inventor Masanori Tamada

Masanori Tamada 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).

  • LIGHT DIFFUSER PLATE
    Publication number: 20080268235
    Abstract: A light diffuser plate comprising a transparent resin composition containing a transparent resin and a light diffuser in which the light diffuser has an average particle diameter of from 0.6 ?m to 1.5 ?m and a standard deviation of particle diameters of from 0.01 ?m to 0.5 ?m, and an absolute value of a refractive index difference |?n| between the transparent resin and the light diffuser is at least 0.05.
    Type: Application
    Filed: April 23, 2008
    Publication date: October 30, 2008
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shinya KIMURA, Toyohiro Hamamatsu, Masanori Tamada, Takashi Sakamoto
  • Amusement device passing within tube
    Patent number: 5482510
    Abstract: An amusement device passing within a tube is made into a device which is safe in operation while passing within a dark tube, giving a mild and fantastic mood to a sight feeling of a rider to enable the rider to enjoy modern leisure characteristics or joyfulness and then a picture drawn on the inner wall surface with fluorescent substance and an illuminating device for radiating ultraviolet rays to the picture are arranged so as to cause a rider to play in the amusement device and to enable a stereoscopic light emitting image to be attained on the inner wall surface of the tube.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: January 9, 1996
    Assignee: Ishii Iron Works Co., Ltd.
    Inventors: Hiroji Ishii, Masanori Tamada, Satoru Yoshida, Isamu Okuzumi