Granted Patent
Utility
US 6,150,797 · App. 09/129,902
Charge and discharge control circuit with function detecting charge and discharge current and chargeable power supply unit
Inventor:
Hiroshi Mukainakano
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Aug 6, 1998
Inventor
Hiroshi Mukainakano
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.