Patents by Inventor Sadao Nakatani

Sadao Nakatani 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).

  • Colored jacket for floppy disk
    Patent number: 4670314
    Abstract: A colored jacket for a floppy disk is fabricated by folding or bonding a plastic sheet or sheets containing at least one color pigment, and 5 to 50 parts by weight of an inorganic pigment per 100 parts by weight of a resin. Or, the plastic sheet or sheets contain at least one color pigment, 5 to 40 parts by weight of an inorganic pigment and 0.005 to 0.5 parts by weight of carbon black per 100 parts by weight of a resin.
    Type: Grant
    Filed: September 3, 1985
    Date of Patent: June 2, 1987
    Assignees: Fuji Photo Film Co., Ltd., Sumitomo Bakelite Co., Ltd.
    Inventors: Masakazu Iwasa, Kazuhiko Morita, Sadao Nakatani, Eiji Nakamura
  • Film or sheet material having antibacterial and antifungal activities
    Patent number: 4008351
    Abstract: A film or sheet material having antibacterial and antifungal activities is obtained by mixing a thermoplastic resin with 2-(4'-thiazolyl)-benzimidazole and N-(fluorodichloromethylthio)-phthalimide, and shaping the resulting mixture, or, alternatively, by coating a base film or sheet material on one side or both sides with a coating material containing a mixture of 2-(4'-thiazolyl)-benzimidazole and N-(fluorodichloromethylthio)-phthalimide, a mixture of 2-(4'-thiazolyl)-benzimidazole and N-dimethyl-N'-phenyl-N'-(fluorodichloromethylthio)-sulfamide, or a mixture of N-(fluorodichloromethylthio)-phthalimide and N-dimethyl-N'-phenyl-N'-(fluorodichloromethylthio)-sulfamide.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: February 15, 1977
    Assignees: Sumitomo Bakelite Company, Limited, Mayumi Inoue
    Inventors: Mayumi Inoue, Masaru Shibata, Kenzo Takahashi, Sadao Nakatani