Granted Patent
Utility
US 6,278,582 · App. 09/469,180
Magnetic head and magnetic head manufacturing method
Inventors:
Atsuko Okawa, Yasuo Hira, Hirotaka Imayama, Masayasu Fujisawa, Saburou Suzuki, Eisei Togawa, Noriyuki Saiki, Nobuo Suzuki, Hiroshi Agari, Kiyoshi Akamatsu, Hiromu Chiba
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Dec 21, 1999
Inventors
Atsuko Okawa
Yasuo Hira
Hirotaka Imayama
Masayasu Fujisawa
Saburou Suzuki
Eisei Togawa
Noriyuki Saiki
Nobuo Suzuki
Hiroshi Agari
Kiyoshi Akamatsu
Hiromu Chiba
Assignee (at issue)
Hiatchi, 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.