Granted Patent
Utility
US 6,590,389 · App. 09/762,327
Magnetic sensor, magnetic sensor apparatus, semiconductor magnetic resistance apparatus, and production method thereof
Inventors:
Ichiro Shibasaki, Atsushi Okamoto, Takashi Yoshida, Ichiro Okada
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Feb 6, 2001
Inventors
Ichiro Shibasaki
Atsushi Okamoto
Takashi Yoshida
Ichiro Okada
Assignee (at issue)
ASAHI KASEI KOGYO CO., 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.