Patents by Inventor Ryoji AKIMOTO

Ryoji AKIMOTO 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).

  • Content generating device, content inspecting device, content generating method, and computer-readable medium including content data structure
    Patent number: 10747855
    Abstract: A watermarked content generating device including processing circuitry which performs active element conversion that converts a specified active modification target element from among elements included in an original content, based on a modification control code that is generated based on embedded information, when generating a structured content including at least a structured document, and performs passive element conversion that converts a specified passive modification target element from among elements included in the original content such that a change in a perceptual aspect of the original content corresponding to an active modification result element which results from the active element conversion is returned to having a same or equivalent perceptual aspect as that of the original content.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: August 18, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Haruka Minamikawa, Toshio Oka, Ryoji Akimoto
  • CONTENT GENERATING DEVICE, CONTENT INSPECTING DEVICE, CONTENT GENERATING METHOD, AND COMPUTER-READABLE MEDIUM INCLUDING CONTENT DATA STRUCTURE
    Publication number: 20170199993
    Abstract: A watermarked content generating device including processing circuitry which performs active element conversion that converts a specified active modification target element from among elements included in an original content, based on a modification control code that is generated based on embedded information, when generating a structured content including at least a structured document, and performs passive element conversion that converts a specified passive modification target element from among elements included in the original content such that a change in a perceptual aspect of the original content corresponding to an active modification result element which results from the active element conversion is returned to having a same or equivalent perceptual aspect as that of the original content.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Haruka MINAMIKAWA, Toshio OKA, Ryoji AKIMOTO