Patents by Inventor Toshiro Kotake

Toshiro Kotake 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).

  • Photoelectric punched card reading device
    Patent number: 3943337
    Abstract: A photoelectric punched card reading device adapted to insert the punched card by hand, for reading the punched card photoelectrically in a static state comprising a matrix of light sensors each adapted to be in register with a hole in a punched card, an aperture mask in close contact with the light sensor matrix a card loading section having, a punched card insertion slot for holding a punched card in correct position with respect to the light sensor matrix and aperture mask, and a light source for uniformly illuminating the light sensor matrix, wherein the card loading section, the light sensor matrix and the light source are assembled integrally.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: March 9, 1976
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Toshio Yamashita, Toshiro Kotake, Nobuo Hasegawa, Manabu Yoshida, Saburo Kitamura