Granted Patent
Utility
US 6,505,394 · App. 09/918,534
Method for cutting rare earth alloy, method for manufacturing rare earth alloy plates and method for manufacturing rare earth alloy magnets using wire saw, and voice coil motor
Inventors:
Masanori Chikuba, Hazime Ishida
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Aug 1, 2001
Inventors
Masanori Chikuba
Hazime Ishida
Assignee (at issue)
Sumitomo Special Metals 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.