Granted Patent
Utility
US 6,580,465 · App. 09/227,266
Clamp voltage generating circuit and clamp level adjusting method
Inventor:
Koichi Sato
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jan 8, 1999
Inventor
Koichi Sato
Assignee (at issue)
Pentax 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.