Granted Patent
Utility
US 6,639,291 · App. 10/071,796
Spin dependent tunneling barriers doped with magnetic particles
Inventors:
Kyusik Sin, Shin Funada, Hugh C. Hiner, Hua-Ching Tong, Xizeng Shi
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Feb 6, 2002
Inventors
Kyusik Sin
Shin Funada
Hugh C. Hiner
Hua-Ching Tong
Xizeng Shi
Assignee (at issue)
WESTERN DIGITAL (FREMONT), LLC
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.