Patents by Inventor Hazimu Hashimoto

Hazimu Hashimoto 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).

  • Newsprint paper
    Patent number: 5698305
    Abstract: A newsprint paper coated with a surface treating agent including a polyacrylamide-based compound and a vinyl acetate/maleic acid half ester copolymer in an coating amount of 0.01 to 0.2 g/m.sup.2. By coating the surface treating agent which is capable of obtaining well-balanced surface strength and peeling strength, lightweight newsprint paper or high recycled pulp content newsprint paper suitable for offset printing can be obtained.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 16, 1997
    Assignees: Nippon Paper Industries Co., Ltd., Seiko Chemical Industry Co., Ltd.
    Inventors: Mamoru Suzuki, Junko Furuhata, Motoi Fukuda, Satoshi Hatano, Toshiyuki Takano, Hiroaki Umeda, Hazimu Hashimoto