Granted Patent
Utility
US 6,492,983 · App. 09/912,603
Video signal display system
Inventors:
Shigeyuki Nishitani, Naruhiko Kasai, Hiroshi Kurihara, Tatsumi Mori, Yukio Hiruta, Masashi Mori
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Jul 26, 2001
Inventors
Shigeyuki Nishitani
Naruhiko Kasai
Hiroshi Kurihara
Tatsumi Mori
Yukio Hiruta
Masashi Mori
Assignees (at issue)
HITACHI, LTD.
Hitachi Video and Information Systems, 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.