Granted Patent
Utility
US 6,570,237 · App. 10/128,541
Semiconductor device with a protective diode having a high breakdown voltage
Inventor:
Akio Kitamura
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Apr 23, 2002
Inventor
Akio Kitamura
Assignee (at issue)
FUJI ELECTRIC CO., 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.