Granted Patent
Utility
US 6,051,156 · App. 09/077,442
Compound magnetic material and electromagnetic interference suppressor
Inventors:
Shigeyoshi Yoshida, Mitsuharu Sato, Koji Kamei
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: May 28, 1998
Inventors
Shigeyoshi Yoshida
Mitsuharu Sato
Koji Kamei
Assignee (at issue)
TOKIN 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.