Patents by Inventor Kan Hashizume

Kan Hashizume 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).

  • Masking films
    Patent number: 5707704
    Abstract: A masking film comprising a light-shielding peelable layer provided on a transparent support wherein a binder component of the light-shielding peelable layer comprises 20 to 40% by weight of a rubberlike resin, 25 to 75% by weight of a vinyl chloride resin and 5 to 35% by weight of a thermoplastic resin containing OH groups compatible with the rubberlike resin and the vinyl chloride resin based on total resin components, which maintains anti-blocking property and appropriate adhesion after a long period of time.
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: January 13, 1998
    Assignee: Kimoto Co., Ltd.
    Inventors: Satoshi Ako, Kan Hashizume, Takashi Shimizu