Granted Patent
Utility
US 6,132,545 · App. 08/972,035
Method of producing an optical video disc
Inventors:
Masaaki Motokawa, Haruhisa Maruyama
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Nov 17, 1997
Inventors
Masaaki Motokawa
Haruhisa Maruyama
Assignees (at issue)
Pioneer Electronic Corporation
Pioneer Video 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.