Granted Patent
Utility
US 5,037,503 · App. 07/357,717
Method for growing silicon single crystal
Inventors:
Tsutomu Kajimoto, Daizou Horie, Shin Sakurada
Patented Case
View Patent ↗
Granted: Aug 6, 1991
Filed: May 26, 1989
Inventors
Tsutomu Kajimoto
Daizou Horie
Shin Sakurada
Assignees (at issue)
OSAKA TITANIUM
Kyushu Electronic Metal 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.