Granted Patent
Utility
US 6,559,528 · App. 09/785,503
Semiconductor device and method for the fabrication thereof
Inventors:
Kazumi Watase, Hiroaki Fujimoto, Ryuichi Sahara, Nozomi Shimoishizaka, Takahiro Kumakawa, Kazuyuki Kaino, Yoshifumi Nakamura
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Feb 20, 2001
Inventors
Kazumi Watase
Hiroaki Fujimoto
Ryuichi Sahara
Nozomi Shimoishizaka
Takahiro Kumakawa
Kazuyuki Kaino
Yoshifumi Nakamura
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.