Granted Patent
Utility
US 6,121,792 · App. 09/160,049
Input circuit having current control
Inventor:
Seiichi Watarai
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Sep 25, 1998
Inventor
Seiichi Watarai
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.