Granted Patent
Utility
US 6,185,068 · App. 09/343,225
Thin-film magnetic head with a coil having a trapezoidal crosssection
Inventors:
Kiyoharu Fujita, Takeo Sasaki, Shinji Furuichi
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jun 30, 1999
Inventors
Kiyoharu Fujita
Takeo Sasaki
Shinji Furuichi
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.