Granted Patent
Utility
US 5,699,203 · App. 08/620,879
Digital transmission signal processing system and recording reproducing system
Inventors:
Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani, Akira Shibata
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Mar 22, 1996
Inventors
Hideo Arai
Hitoaki Owashi
Kyoichi Hosokawa
Keizo Nishimura
Yoshizumi Watatani
Akira Shibata
Assignee (at issue)
HITACHI, 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.