Granted Patent
Utility
US 6,574,154 · App. 09/988,152
Data transmitter
Inventors:
Takashi Sato, Yoji Nishio, Yoshinobu Nakagome
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 19, 2001
Inventors
Takashi Sato
Yoji Nishio
Yoshinobu Nakagome
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.