Granted Patent
Utility
US 5,386,138 · App. 08/253,865
Semiconductor device with diodes connected in series
Inventor:
Isao Yoshino
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Jun 3, 1994
Inventor
Isao Yoshino
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.