Granted Patent
Utility
US 6,490,131 · App. 10/118,008
Thin film magnetic head with electroplated Ni-Fe alloy thin film having small average crystal grain size range
Inventors:
Masaaki Sano, Yoshiaki Kita, Shun-ichi Narumi, Takashi Kawabe, Moriaki Fuyama, Hisashi Takano, Hisano Yamamoto, Kenzo Masuda
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Apr 9, 2002
Inventors
Masaaki Sano
Yoshiaki Kita
Shun-ichi Narumi
Takashi Kawabe
Moriaki Fuyama
Hisashi Takano
Hisano Yamamoto
Kenzo Masuda
Assignee (at issue)
HITACHI, 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.