Patents by Inventor Seio Hachiya

Seio Hachiya 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).

  • Lubricant for use in hot rolling of stainless steel
    Patent number: 5468402
    Abstract: An aqueous lubricant for use in hot rolling of stainless steel to prevent roll scoring which comprises a viscous aqueous having dispersed therein from 1 to 30% by weight of iron oxide powder.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: November 21, 1995
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Seio Hachiya, Ken-ichi Shinoda, Yuichi Higo