Granted Patent
Utility
US 6,704,495 · App. 09/246,960
Audio-video device reproducing apparatus
Inventors:
Takaaki Kumazawa, Genichi Yamada, Ko Hamano, Tadashi Maeoka, Yoshihiro Fujimoto, Takamichi Nakagawa
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Feb 9, 1999
Inventors
Takaaki Kumazawa
Genichi Yamada
Ko Hamano
Tadashi Maeoka
Yoshihiro Fujimoto
Takamichi Nakagawa
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.