Granted Patent
Utility
US 6,573,820 · App. 09/850,001
Inductor
Inventors:
Katsuo Yamada, Fumiaki Nakao, Tomoyuki Akaya, Satoshi Ota, Mikio Kitaoka, Yoshio Matsuo, Tadashi Tateno
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: May 8, 2001
Inventors
Katsuo Yamada
Fumiaki Nakao
Tomoyuki Akaya
Satoshi Ota
Mikio Kitaoka
Yoshio Matsuo
Tadashi Tateno
Assignee (at issue)
FDK 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.