Patents by Inventor Hiroi Kazushige

Hiroi Kazushige 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).

  • Communication system and terminal units connected thereto
    Patent number: 7584431
    Abstract: A communication system including a network and at least two terminal units connected thereto. Each terminal unit includes a session controlling unit for controlling a session for enabling transmission/receiving of voice, image, handwritten data to/from the remote terminal unit individually, and a display unit for displaying the image and the handwritten data. The image data and the handwritten data are overlapped and displayed on a display of the display unit.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: September 1, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Hiroi Kazushige, Nobukazu Kondo, Tsutomu Hara, Tooru Yokozawa, Kazuchika Ogiwara, Masaya Umemura, Shinichiro Okamura
  • Communication system and terminal units connected thereto
    Publication number: 20040139052
    Abstract: A communication system including a network and at least two terminal units connected thereto. Each terminal unit includes a session controlling unit for controlling a session for enabling transmission/receiving of voice, image, handwritten data to/from the remote terminal unit individually, and a display unit for displaying the image and the handwritten data. The image data and the handwritten data are overlapped and displayed on a display of the display unit.
    Type: Application
    Filed: December 2, 2003
    Publication date: July 15, 2004
    Inventors: Hiroi Kazushige, Nobukazu Kondo, Tsutomu Hara, Tooru Yokozawa, Kazuchika Ogiwara, Masaya Umemura, Shinichiro Okamura