Patents by Inventor Isamu Mano

Isamu Mano 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).

  • Patent number: 4774957
    Abstract: A material for diagnosis by nuclear magnetic resonance imaging is provided. The material comprises a hydrogel having a high water content. The hydrogel is prepared by the steps of casting an aqueous polyvinyl alcohol solution into a mold, cooling the case aqueous solution to obtain a cooled frozen mass and thawing the cooled frozen mass. The cooling and thawing steps may be repeated up to eight cycles. The hydrogel is also prepared by subjecting the cooled frozen mass to a partial dehydration step in vacuum.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: October 4, 1988
    Assignees: Kabushiki Kaisha Toshiba, Nippon Oil Co. Ltd.
    Inventors: Masao Nambu, Hitoshi Goshima, Isamu Mano