Patents by Inventor Junro Amano

Junro Amano 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).

  • Solid radiographic contrast medium
    Patent number: 5271923
    Abstract: A safe and effective solid radiographic contrast medium which comprises an iodine-substituted aromatic polymer with an iodine content of 1 to 75% by weight and which is free of side effects on the digestive system such as constipation as found in barium preparations and which has no risk of causing iodine shocks as found in aqueous iodine preparations containing meglumine sodium amidotrizoate.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: December 21, 1993
    Assignee: Manac Incorporated
    Inventors: Hiromi Kochi, Junro Amano, Takashi Nishiyama, Shin-ichi Tashiro