Granted Patent
Utility
US 5,082,750 · App. 07/424,500
Magnetic recording medium of thin metal film type
Inventors:
Toshiaki Morichika, Toshio Tani, Chiaki Sakai, Hideo Koshimoto, Tatsuhiko Kadowaki
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Oct 20, 1989
Inventors
Toshiaki Morichika
Toshio Tani
Chiaki Sakai
Hideo Koshimoto
Tatsuhiko Kadowaki
Assignee (at issue)
KUBOTA 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.