Granted Patent
Utility
US 5,684,381 · App. 08/580,390
Charge device reduced in size and power consumption
Inventor:
Shouichiro Ohtsuka
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Dec 28, 1995
Inventor
Shouichiro Ohtsuka
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.