Granted Patent
Utility
US 4,885,594 · App. 07/151,811
Recording apparatus with position dependent pulse modulation
Inventor:
Tatsuya Eguchi
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Feb 3, 1988
Inventor
Tatsuya Eguchi
Assignee (at issue)
Minolta Camera Kabushiki Kaisha
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.