Patents by Inventor Mizuho Narimatsu

Mizuho Narimatsu 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).

  • Electronic watermarking method and storage medium for storing electronic watermarking program
    Publication number: 20060012831
    Abstract: When performing processing to embed electronic watermarks in video data constituting digital video content, audio types are discriminated using differences etc. in sampling characteristics for audio data reproduced synchronously with these video data, and the video data domains targeted for the process of embedding electronic watermarks are limited, depending on the audio type.
    Type: Application
    Filed: June 15, 2005
    Publication date: January 19, 2006
    Inventors: Mizuho Narimatsu, Kei Kudo, Takeo Tomokane
  • Electronic watermarking method and storage medium for storing electronic watermarking program
    Publication number: 20060015735
    Abstract: In embedding an electronic watermark in a plurality of frames making up video data, the filtering processing is executed by omitting a portion of the frames in terms of time or space. By using a result of the filtering processing, the electronic watermarking processing is executed on a portion that has undergone the filtering processing.
    Type: Application
    Filed: June 15, 2005
    Publication date: January 19, 2006
    Inventors: Kei Kudo, Mizuho Narimatsu, Isao Echizen