Granted Patent
Utility
US 6,624,614 · App. 10/078,862
Charge and discharge controller
Inventor:
Takeshi Mashiko
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Feb 19, 2002
Inventor
Takeshi Mashiko
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.