Granted Patent
Utility
US 6,472,249 · App. 09/630,677
Semiconductor device having sealing film formed on the surface having columnar electrode formed thereon and method of manufacturing the same
Inventor:
Osamu Kuwabara
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Aug 1, 2000
Inventor
Osamu Kuwabara
Assignee (at issue)
CASIO COMPUTER CO., LTD.
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.