Granted Patent
Utility
US 5,366,835 · App. 08/016,369
Graduation reproduction in optical recording
Inventors:
Kazunori Namiki, Takashi Yamamura
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Feb 11, 1993
Inventors
Kazunori Namiki
Takashi Yamamura
Assignee (at issue)
Victor Company of Japan, 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.