Composite magnetic powder, powder magnetic core using the same, and manufacturing method for composite magnetic powder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11682508
APP PUB NO 20210027923A1
SERIAL NO

16925633

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Disclosed herein is a composite magnetic powder that includes an iron-containing magnetic powder and an insulating layer comprising a silicon oxide formed on a surface of the iron-containing magnetic powder. The insulating layer contains pores, and an area ratio of the pores in a cross section of the insulating layer is 5% or less.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TDK CORPORATION3-9-1 SHIBAURA MINATO-KU TOKYO 108-0023

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawabata, Kenichi Tokyo, JP 137 2257
Kitagami, Masataka Tokyo, JP 3 29

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Dec 20, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 20, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 20, 2034
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00