Granted Patent
Utility
US 4,482,821 · App. 06/269,874
Superconductive logic circuit
Inventors:
Kouji Houkawa, Akira Ishida, Masaru Okada
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Jun 3, 1981
Inventors
Kouji Houkawa
Akira Ishida
Masaru Okada
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.