Patents by Inventor Isamu Hamada

Isamu Hamada 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).

  • Entertainment apparatus, image generation method, and storage medium
    Patent number: 6781598
    Abstract: It is intended to display, in a 3D-CG animation, a high-quality background image that is free of distortion due to a pan of a viewing camera. Pre-rendering images of three-dimensional background scenes are mapped over the inside surfaces of respective virtual spheres 70ak−1 and 70ak, and viewing cameras 71ak−1 and 71ak are defined at the centers of the respective virtual spheres 70ak−1 and 70ak. When a three-dimensional model of a movable object such as a character model enters one of the virtual spheres, a region clipped by the pyramidal visual field of the viewing camera located at the center of the virtual sphere is projected onto a display screen.
    Type: Grant
    Filed: November 24, 2000
    Date of Patent: August 24, 2004
    Assignee: Sony Computer Entertainment Inc.
    Inventors: Tetsuji Yamamoto, Koji Tada, Isamu Hamada