Patents by Inventor Hitoshi Higashijima

Hitoshi Higashijima 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).

  • Biomaterial comprising a composite material of a chitosan derivative and collagen derivative
    Patent number: 5116824
    Abstract: A biomaterial excellent in biocompatibility comprising a composite material of an N-acylchitosan and collagen is described. This biomaterial is suitable for used as a wound dressing material, vascular prosthesis, artificial skin or hemostatic agent.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: May 26, 1992
    Assignees: Katakura Chikkarin Co., Ltd., Koken Co., Ltd.
    Inventors: Teruo Miyata, Kazuhiko Kodaira, Hitoshi Higashijima, Takashi Kimura, Yasuharu Noishiki