Patents by Inventor Yasu Ishimoto

Yasu Ishimoto 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).

  • Water-soluble coolant for formation of drawn and ironed cans
    Patent number: 4581152
    Abstract: Disclosed is a water-soluble coolant for formation of drawn and ironed cans, which comprises an aqueous solution containing 0.1 to 20% by weight of a phosphorus-containing compound obtained by esterifying an epoxidation product of at least one higher unsaturated fatty acid or its ester with phosphoric acid.
    Type: Grant
    Filed: July 25, 1984
    Date of Patent: April 8, 1986
    Assignees: Toyo Seikan Kaisha, Ltd., Asahi Denka Kogyo Kabushiki Kaisha
    Inventors: Hisashi Hotta, Toshiyuki Noda, Yoshiharu Tobita, Isao Watabiki, Yasu Ishimoto, Takuro Handa, Masashi Umemura