Granted Patent
Utility
US 5,327,297 · App. 07/790,996
Read/write amplifier circuit for magnetic disk unit
Inventors:
Hiroyuki Enami, Tatsuo Nishizawa
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Nov 12, 1991
Inventors
Hiroyuki Enami
Tatsuo Nishizawa
Assignee (at issue)
NEC 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.