Granted Patent
Utility
US 5,854,543 · App. 08/773,969
Inverter circuit for lighting a cold cathode tube by the use of a piezoelectric transformer
Inventors:
Hiroyuki Satoh, Yoshihiro Ino, Hutoshi Shiotani
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Dec 26, 1996
Inventors
Hiroyuki Satoh
Yoshihiro Ino
Hutoshi Shiotani
Assignee (at issue)
TOKIN 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.