Granted Patent
Utility
US 6,295,243 · App. 09/449,566
Semiconductor device
Inventors:
Hidefumi Otsuka, Tomonori Fujimoto
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Nov 29, 1999
Inventors
Hidefumi Otsuka
Tomonori Fujimoto
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.