Granted Patent
Utility
US 6,825,837 · App. 09/642,091
Space rendering method, virtual space rendering apparatus, cache device, and storage medium
Inventors:
Yukio Sakagawa, Akihiro Katayama, Daisuke Kotake
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Aug 21, 2000
Inventors
Yukio Sakagawa
Akihiro Katayama
Daisuke Kotake
Assignee (at issue)
CANON KABUSHIKI KAISHA
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.