Granted Patent
Utility
US 6,507,529 · App. 10/003,430
Semiconductor device
Inventors:
Tomonori Fujimoto, Kiyoto Ohta, Yuji Yamasaki
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Dec 6, 2001
Inventors
Tomonori Fujimoto
Kiyoto Ohta
Yuji Yamasaki
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.