Granted Patent
Utility
US 6,669,776 · App. 10/211,627
Magnetic field furnace and a method of using the same to manufacture semiconductor substrates
Inventors:
Hilton F. Glavish, Hideyuki Isozaki, Keiji Maishigi, Kentaro Fujita
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Aug 2, 2002
Inventors
Hilton F. Glavish
Hideyuki Isozaki
Keiji Maishigi
Kentaro Fujita
Assignee (at issue)
Ebara Solar, Inc.
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.