Granted Patent
Utility
US 6,043,699 · App. 09/184,975
Level shift circuit
Inventor:
Yasuhide Shimizu
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Nov 3, 1998
Inventor
Yasuhide Shimizu
Assignee (at issue)
SONY GROUP 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.