Patents by Inventor Hirofumi Sone

Hirofumi Sone 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: 6922400
    Abstract: Digital broadcasting for transmitting program data including at least one of digital audio data and digital video data with other information is carried out by using terrestrial waves. The program data, download data corresponding to contents of the program data, and reference information correlating the download data with the program data are multiplexing with each other. The multiplexing signals are transmitted over a specific frequency band.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: July 26, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kaoru Iwakuni, Hiroki Furukawa, Hirofumi Sone, Ryohei Imai, Ryoichi Sugimura, Shuichi Ninomiya
  • Publication number: 20010015962
    Abstract: The object of the invention is to provide a transmission method of the digital broadcasting that can be carried out under the digital broadcasting using the terrestrial waves and does not need complicated operations of using GUI screen.
    Type: Application
    Filed: January 17, 2001
    Publication date: August 23, 2001
    Inventors: Kaoru Iwakuni, Hiroki Furukawa, Hirofumi Sone, Ryohei Imai, Ryoichi Sugimura, Shuichi Ninomiya