Granted Patent
Utility
US 6,329,818 · App. 09/353,925
Magnetic field sensor having giant magnetoresistive effect elements, manufacturing method and apparatus therefor
Inventors:
Ichirou Tokunaga, Seiji Kikuchi, Yoshito Sasaki, Takashi Hatanai
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Jul 14, 1999
Inventors
Ichirou Tokunaga
Seiji Kikuchi
Yoshito Sasaki
Takashi Hatanai
Assignee (at issue)
ALPS ELECTRIC 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.