Granted Patent
Utility
US 4,534,840 · App. 06/532,758
Method for forming a compound semiconductor film
Inventors:
Masanari Shindo, Shigeru Sato, Akinari Kaneko
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Sep 16, 1983
Inventors
Masanari Shindo
Shigeru Sato
Akinari Kaneko
Assignee (at issue)
Konishiroku Photo Industry Co., 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.