Granted Patent
Utility
US 6,515,372 · App. 09/913,975
Wiring board and its production method, semiconductor device and its production method, and electronic apparatus
Inventors:
Yasumori Narizuka, Mitsuko Itou, Yoshihide Yamaguchi, Hiroyuki Tenmei
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Aug 20, 2001
Inventors
Yasumori Narizuka
Mitsuko Itou
Yoshihide Yamaguchi
Hiroyuki Tenmei
Assignee (at issue)
HITACHI, 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.