Granted Patent
Utility
US 6,334,049 · App. 09/579,473
Information terminal
Inventors:
Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: May 26, 2000
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.