Granted Patent
Utility
US 6,590,726 · App. 10/277,830
Apparatus and method for transmitting and receiving digital information
Inventors:
Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani, Akira Shibata
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Oct 23, 2002
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.