The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2009
Filed:
Aug. 22, 2007
Masayoshi Tsunemi, Gunma, JP;
Hideki Ogawa, Gunma, JP;
Hidenori Aoki, Gunma, JP;
Hideki Okada, Gunma, JP;
Yoshikazu Okino, Gunma, JP;
Masayoshi Tsunemi, Gunma, JP;
Hideki Ogawa, Gunma, JP;
Hidenori Aoki, Gunma, JP;
Hideki Okada, Gunma, JP;
Yoshikazu Okino, Gunma, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
An inductor comprises a drum core which comprises a sintered magnetic material and has a winding axis and a pair of collars in a plate shape provided on both ends of the winding axis. The inductor further comprises a coil conductor wound on the winding axis of the drum core, the coil conductor is covered on an outer periphery thereof with a composite magnetic material in a sheet form containing a resin and magnetic powder, and the composite magnetic material in a sheet form is adhered to the outer periphery of the coil conductor except at least for inner surfaces of the pair of collars of the drum core facing each other.