Granted Patent
Utility
US 4,860,082 · App. 07/060,259
Bipolar transistor
Inventors:
Masatoshi Moriyama, Masaki Ohira
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jun 10, 1987
Inventors
Masatoshi Moriyama
Masaki Ohira
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.