Patents by Inventor Yoshifumi Sokabe

Yoshifumi Sokabe 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: 6838167
    Abstract: A printing and copying paper capable of printing or copying images distinctly on a large scale, without becoming curled or being blocked up in or sent out of machines as two or more than two of the papers being superposed, by means of high temperature high speed printing or copying machines, in which toners are to be fixed at high temperature, comprising a sheet of paper, a white polyethylene coating layer coating on the surface of the paper, said layer being laminated with a transparent heat resistant resin coating layer, or a transparent heat resistant resin film to form a glossy surface, and a transparent polyethylene coating layer coating on the back surface of the paper, said layer being coated with a transparent heat resistant resin coating liquid which is mixed with matting agents.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: January 4, 2005
    Assignees: Kokuyo Co., Ltd., Kisokaseisangyou Co., Ltd.
    Inventors: Yoshifumi Sokabe, Shin Nakashima
  • Publication number: 20040180191
    Abstract: A printing and copying paper capable of printing or copying images distinctly on a large scale, without becoming curled or being blocked up in or sent out of machines as two or more than two of the papers being superposed, by means of high temperature high speed printing or copying machines, in which toners are to be fixed at high temperature, comprising a sheet of paper, a white polyethylene coating layer coating on the surface of the paper, said layer being laminated with a transparent heat resistant resin coating layer, or a transparent heat resistant resin film to form a glossy surface, and a transparent polyethylene coating layer coating on the back surface of the paper, said layer being coated with a transparent heat resistant resin coating liquid which is mixed with matting agents.
    Type: Application
    Filed: March 11, 2003
    Publication date: September 16, 2004
    Inventors: Yoshifumi Sokabe, Shin Nakashima