Granted Patent
Utility
US 4,557,036 · App. 06/479,135
Semiconductor device and process for manufacturing the same
Inventors:
Hakaru Kyuragi, Hideo Oikawa
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Mar 25, 1983
Inventors
Hakaru Kyuragi
Hideo Oikawa
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.