Patents by Inventor Toshio Ishidate

Toshio Ishidate 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).

  • Iodine adsorbent
    Patent number: 4234456
    Abstract: An iodine adsorbent comprises an alumina carrier having a large number of pores having a mean pore size of 200 to 2,000 A and silver supported on the alumina carrier. The alumina carrier has a pore volume of at least about 0.1 cc/g.High percent iodine removal is obtained in a highly humid atmosphere, and an amount of silver supported on the carrier is much reduced.
    Type: Grant
    Filed: June 13, 1978
    Date of Patent: November 18, 1980
    Assignees: Hitachi, Ltd., Nippon Engelhard Ltd.
    Inventors: Kunio Kamiya, Hideo Yusa, Masao Kitamura, Masaki Takeshima, Toshio Ishidate