Granted Patent
Utility
US 6,628,970 · App. 09/984,610
Information terminal
Inventors:
Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Oct 30, 2001
Inventors
Takanori Nishiyama
Kazunori Yanagisawa
Sakae Itakura
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.