Patents by Inventor Kanako Seki

Kanako Seki 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).

  • Thread and method of manufacturing the same, counterfeit preventive paper using thread, counterfeit preventive printed material, and method of judging authenticity utilizing them
    Patent number: 8573651
    Abstract: The invention provides a thread and counterfeit preventive paper satisfying the conditions that, when the micro-character of the thread is viewed from one side and opposite side of the paper or printed material, the image of micro-character can be recognized in the same direction from any side, not in opposite direction to each other, and that, when viewed from the opposite side, the image of the corresponding micro-character is not visible. The counterfeit preventive paper and counterfeit preventive printed material have a structure in which a thread having metal deposition layers formed in a pattern of micro-character and colored printed layers formed thereon provided on both sides of a strip-like and light permeable substrate is inserted between paper layers.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: November 5, 2013
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Kanako Seki, Makoto Maehira, Toru Murakami, Takashi Shimamura
  • Thread and method of manufacturing the same, counterfeit preventive paper using thread, counterfeit preventive printed material, and method of judging authenticity utilizing them
    Publication number: 20080129036
    Abstract: The invention provides a thread and counterfeit preventive paper satisfying the conditions that, when the micro-character of the thread is viewed from one side and opposite side of the paper or printed material, the image of micro-character can be recognized in the same direction from any side, not in opposite direction to each other, and that, when viewed from the opposite side, the image of the corresponding micro-character is not visible. The counterfeit preventive paper and counterfeit preventive printed material have a structure in which a thread having metal deposition layers formed in a pattern of micro-character and colored printed layers formed thereon provided on both sides of a strip-like and light permeable substrate is inserted between paper layers.
    Type: Application
    Filed: January 11, 2008
    Publication date: June 5, 2008
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Kanako Seki, Makoto Maehira, Toru Murakami, Takashi Shimamura