Granted Patent
Utility
US 6,646,532 · App. 10/084,539
Powder core and reactor using the same
Inventors:
Teruhiko Fujiwara, Masayoshi Ishii, Yoshitaka Saito
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Feb 26, 2002
Inventors
Teruhiko Fujiwara
Masayoshi Ishii
Yoshitaka Saito
Assignee (at issue)
NEC 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.