Granted Patent
Utility
US 5,374,582 · App. 08/233,940
Laminated substrate for semiconductor device and manufacturing method thereof
Inventors:
Kensuke Okonogi, Hiroaki Kikuchi
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Apr 28, 1994
Inventors
Kensuke Okonogi
Hiroaki Kikuchi
Assignee (at issue)
NEC CORPORATION
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.