Granted Patent
Utility
US 6,430,009 · App. 09/543,059
Magnetic head shield pole with nonmagnetic separation film between transition portion and shield portion
Inventors:
Kenji Komaki, Naoto Matono, Ryuichiro Yoshizaki, Hirohiko Kamimura
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Apr 5, 2000
Inventors
Kenji Komaki
Naoto Matono
Ryuichiro Yoshizaki
Hirohiko Kamimura
Assignee (at issue)
Read-Rite SMI Corporation
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.