Granted Patent
Utility
US 6,678,378 · App. 09/327,458
3-dimensional shape data encryption and decryption
Inventor:
Kozo Akiyoshi
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jun 8, 1999
Inventor
Kozo Akiyoshi
Assignee (at issue)
MONOLITH INC.
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.