Granted Patent
Utility
US 4,908,682 · App. 07/339,486
Power MOSFET having a current sensing element of high accuracy
Inventor:
Mitsuasa Takahashi
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Apr 17, 1989
Inventor
Mitsuasa Takahashi
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.