Granted Patent
Utility
US 6,809,247 · App. 10/439,012
System for reproducing information recorded on a disc
Inventors:
Youichi Yamada, Tomohiko Kimura, Hiroyuki Isobe, Gen Inoshita, Ko Atsumi
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: May 16, 2003
Inventors
Youichi Yamada
Tomohiko Kimura
Hiroyuki Isobe
Gen Inoshita
Ko Atsumi
Assignee (at issue)
Pioneer Electronic 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.