Method for manufacturing rare earth permanent magnet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12205737
APP PUB NO 20200395153A1
SERIAL NO

16975594

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

There is provided a method for manufacturing a rare earth sintered magnet to improve the high temperature demagnetization characteristic of the rare earth permanent magnet, by diffusing a heavy rare earth element to the grain boundary of a sintered magnet to improve the magnetic characteristics based on temperature.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
STAR GROUP IND CO LTD(HORIM-DONG) 49 DALSEO-DAERO 85-GIL DALSEO-GU DAEGU 42714

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Dong Hwan Daegu, KR 238 1173
Kong, Koon Seung Daegu, KR 12 4

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 Jul 21, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 21, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 21, 2036
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