Patents by Inventor Toshiki Oowaki

Toshiki Oowaki 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).

  • Method for rinsing a polished memory hard disk
    Patent number: 6022837
    Abstract: A composition for rinsing a memory hard disc, which comprises water and an additive selected from the group consisting of an oxo-acid, an oxo-acid salt and a chloride.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: February 8, 2000
    Assignee: Fujimi Incorporated
    Inventor: Toshiki Oowaki
  • Polishing composition
    Patent number: 4696697
    Abstract: A composition for polishing a plastic product, a layer of non-electrolysis nickel plating, an alumite layer or an aluminum product comprises water, a polishing agent of aluminum oxide and a polishing accelerator of nickel sulfate, and is neutral or weak acid.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: September 29, 1987
    Assignee: Fujimi Kenmazai Kogyo Kabushiki Kaisha
    Inventors: Hirohito Kitano, Toshiki Oowaki, Takashi Baba