Granted Patent
Utility
US 6,459,667 · App. 09/206,953
Optical disc recording and reproducing apparatus having automatic gate signal generation modes
Inventors:
Yukio Iijima, Nobuaki Minakuchi, Hidemi Takahashi, Yasushi Ueda, Makoto Okazaki
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Dec 8, 1998
Inventors
Yukio Iijima
Nobuaki Minakuchi
Hidemi Takahashi
Yasushi Ueda
Makoto Okazaki
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.