Granted Patent
Utility
US 5,644,478 · App. 08/381,655
Electronic component and its manufacturing method
Inventors:
Daizo Ando, Tadashi Nakamura, Shinji Umeda, Kunihiko Oishi
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Jan 31, 1995
Inventors
Daizo Ando
Tadashi Nakamura
Shinji Umeda
Kunihiko Oishi
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.