Granted Patent
Utility
US 5,211,802 · App. 07/678,192
Method for producing silicon single crystal from polycrystalline rod formed by continous casting
Inventors:
Kyojiro Kaneko, Hideyuki Mizumoto, Teruoki Misawa
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Apr 1, 1991
Inventors
Kyojiro Kaneko
Hideyuki Mizumoto
Teruoki Misawa
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.