Granted Patent
Utility
US 6,470,091 · App. 09/822,254
Address reader, sorting machine such as a mail thing and character string recognition method
Inventors:
Masashi Koga, Tatsuhiko Kagehiro, Yoh Ueda, Shigeru Watanabe, Hiromichi Fujisawa
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Apr 2, 2001
Inventors
Masashi Koga
Tatsuhiko Kagehiro
Yoh Ueda
Shigeru Watanabe
Hiromichi Fujisawa
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.