Granted Patent
Utility
US 5,625,503 · App. 08/530,696
Magnetic recording and reproducing apparatus having means for discriminating performance of magnetic recording medium to achieve optimum recording and reproduction
Inventor:
Yasutaka Sasajima
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Sep 19, 1995
Inventor
Yasutaka Sasajima
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.