Patents by Inventor Tetsuya Osaki

Tetsuya Osaki 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: 4758619
    Abstract: This invention provides an additive for resins prepared by mixing (i) an A-type zeolite having a substantially spherical form and a median particle size not larger than 5 .mu.m or an acid treated product thereof, and (ii) fine amorphous silica. The additive has high lubricating qualities and free-flowing properties. A resin composition comprising said additive shows good heat stability, antioxidizing and antiblocking properties.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: July 19, 1988
    Assignees: Nippon Chemical Industrial Co., Ltd., Kosei Co. Ltd.
    Inventors: Muneo Mita, Kouji Kashiwase, Tetsuya Osaki
  • Patent number: 4741779
    Abstract: This invention provides an additive for resins prepared by mixing (i) an A-type zeolite having a substantially spherical form and a median particle size not larger than 5 .mu.m or an acid treated product thereof, and (ii) fine amorphous silica. The additive has high lubricating qualities and free-flowing properties. A resin composition comprising said additive shows good heat stability, antioxidizing and antiblocking properties.
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: May 3, 1988
    Assignees: Nippon Chemical Industrial Co. Ltd., Kosei Co. Ltd.
    Inventors: Muneo Mita, Kouji Kashiwase, Tetsuya Osaki