Granted Patent
Utility
US 6,687,608 · App. 10/025,582
Information notification system and method, and navigation system and method
Inventors:
Mika Sugimoto, Mikio Watanabe, Sugio Makishima, Yoshiki Kawaoka, Yasuhiro Shinkai, Asa Namiki, Toshihiko Kaku
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Dec 26, 2001
Inventors
Mika Sugimoto
Mikio Watanabe
Sugio Makishima
Yoshiki Kawaoka
Yasuhiro Shinkai
Asa Namiki
Toshihiko Kaku
Assignee (at issue)
Fujitsu Limited
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.