Granted Patent
Utility
US 6,043,957 · App. 09/045,851
Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force and drive control method therefor
Inventors:
Toshiro Hattori, Hiroshi Kajitani, Masatomo Mizuta, Yoshiho Yanagita
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Mar 23, 1998
Inventors
Toshiro Hattori
Hiroshi Kajitani
Masatomo Mizuta
Yoshiho Yanagita
Assignee (at issue)
NEC 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.