Patents by Inventor Ryo Ikawa

Ryo Ikawa 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).

  • Game device, picture data forming method and medium
    Patent number: 6917371
    Abstract: It is an object of the present invention to provide special effects which will make a video game more realistic. When a virtual light source exists in a three-dimensional virtual space, if a light from the light source extends toward a camera, a flare is generated on a screen because of incidence of the ray of light into a camera lens, thereby forming a dazzling picture in accordance with the state of backlight.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: July 12, 2005
    Assignee: Kabushiki Kaisha Sega Enterprises
    Inventors: Toshihiro Nagoshi, Takuji Masuda, Koki Koiwa, Takayuki Kazama, Ryo Ikawa
  • Game device, picture data forming method and medium
    Patent number: 6767286
    Abstract: It is an object of the present invention to provide special effects which will make a video game more realistic. When a virtual light source exists in a three-dimensional virtual space, if a light from the light source extends toward a camera, a flare is generated on a screen because of incidence of the ray of light into a camera lens, thereby forming a dazzling picture in accordance with the state of backlight.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: July 27, 2004
    Assignee: Kabushiki Kaisha Sega Enterprises
    Inventors: Toshihiro Nagoshi, Takuji Masuda, Koki Koiwa, Takayuki Kazama, Ryo Ikawa
  • Game device, picture data and flare forming method
    Patent number: 6234901
    Abstract: It is an object of the present invention to provide special effects which will make a video game more realistic. When a virtual light source exists in a three-dimensional virtual space, if a light from the light source extends toward a camera, a flare is generated on a screen because of incidence of the ray of light into a camera lens, thereby forming a dazzling picture in accordance with the state of backlight.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: May 22, 2001
    Assignee: Kabushiki Kaisha Sega Enterprises
    Inventors: Toshihiro Nagoshi, Takuji Masuda, Koki Koiwa, Takayuki Kazama, Ryo Ikawa