Granted Patent
Utility
US 5,263,016 · App. 07/963,025
Information recording discs
Inventors:
Takeshi Minoda, Akira Todo, Toshio Kimura, Masayoshi Kurisu
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Oct 19, 1992
Inventors
Takeshi Minoda
Akira Todo
Toshio Kimura
Masayoshi Kurisu
Assignee (at issue)
Mitsui Petrochemical 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.