Granted Patent
Utility
US 6,826,474 · App. 10/231,454
Communication navigation system and method, communication center apparatus, communication navigation terminal, program storage device and computer data signal embodied in carrier wave
Inventors:
Hiroshi Miyahara, Akira Sakai, Ippei Nambata, Masaya Hashida, Toru Fujita
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Aug 30, 2002
Inventors
Hiroshi Miyahara
Akira Sakai
Ippei Nambata
Masaya Hashida
Toru Fujita
Assignees (at issue)
PIONEER CORPORATION
INCREMENT P 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.