Patents by Inventor Masahiko Nanjyo

Masahiko Nanjyo 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).

  • Antifouling structure having effect of preventing attachment of aquatic organisms thereto
    Patent number: 6303078
    Abstract: A structure comprises, as the major component, a molded member of a thermoplastic resin composition or a fibrous material which may be a fiber of the thermoplastic resin composition, a yarn coated with the thermoplastic resin composition, a rope coated with the thermoplastic resin composition or a woven fabric coated with the thermoplastic resin composition. The thermoplastic resin composition contains an antifouling compound represented by the following formula (1): wherein Y represents hydrogen atom, an alkyl group, an alkenyl group or an aralkyl group, R represents hydrogen atom, a halogen atom or an alkyl group, R′ represents hydrogen atom, a halogen atom or an alkyl group and R and R′ may be bonded to each other to form a benzene ring. The leaching amount of the antifouling compound into an artificial sea water is controlled to 30 mg/cm3 or less at 25° C. and 3 mg/cm3 or more at 15° C.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: October 16, 2001
    Assignees: Kuraray Co., Ltd., Kuraray Trading Co., Ltd.
    Inventors: Takao Shimizu, Masahiko Nanjyo, Shingo Nakanishi