Granted Patent
Utility
US 5,863,448 · App. 08/758,228
Manufacturing method for a thin film magnetic head
Inventors:
Koichi Otani, Daisuke Iitsuka, Ryuji Kobo, Masayuki Hamakawa
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Nov 27, 1996
Inventors
Koichi Otani
Daisuke Iitsuka
Ryuji Kobo
Masayuki Hamakawa
Assignee (at issue)
Read Rite 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.