Granted Patent
Utility
US 6,052,016 · App. 09/018,074
Charge and discharge control circuit
Inventors:
Kazunari Sugiura, Hiroshi Mukainakano, Masanao Hamaguchi, Takayuki Takahashi
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Feb 3, 1998
Inventors
Kazunari Sugiura
Hiroshi Mukainakano
Masanao Hamaguchi
Takayuki Takahashi
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.