Granted Patent
Utility
US 6,567,072 · App. 09/337,682
Character input device and method
Inventor:
Mitsuhiro Watanabe
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jun 22, 1999
Inventor
Mitsuhiro Watanabe
Assignee (at issue)
NEC CORPORATION
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.