Granted Patent
Utility
US 6,044,157 · App. 08/815,404
Microprocessor suitable for reproducing AV data while protecting the AV data from illegal copy and image information processing system using the microprocessor
Inventors:
Yasushi Uesaka, Kazuhiko Yamauchi, Masayuki Kozuka, Nobuo Higaki, Koichi Horiuchi, Syusuke Haruna
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Mar 10, 1997
Inventors
Yasushi Uesaka
Kazuhiko Yamauchi
Masayuki Kozuka
Nobuo Higaki
Koichi Horiuchi
Syusuke Haruna
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.