Granted Patent
Utility
US 6,740,561 · App. 10/093,791
Method of manufacturing a semiconductor device
Inventors:
Yoshifumi Yoshida, Jun Osanai
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Mar 7, 2002
Inventors
Yoshifumi Yoshida
Jun Osanai
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.