Granted Patent
Utility
US 6,597,536 · App. 09/897,489
Magnetic head slider
Inventors:
Ryuji Tsuchiyama, Masaaki Matsumoto, Kiyoshi Hashimoto, Xu Junguo
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jul 3, 2001
Inventors
Ryuji Tsuchiyama
Masaaki Matsumoto
Kiyoshi Hashimoto
Xu Junguo
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.