Granted Patent
Utility
US 5,223,077 · App. 07/684,174
Method of manufacturing single-crystal silicon
Inventors:
Kyojiro Kaneko, Hideyuki Mizumoto
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Apr 12, 1991
Inventors
Kyojiro Kaneko
Hideyuki Mizumoto
Assignee (at issue)
OSAKA TITANIUM
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.