SINTERED R-TM-B MAGNET
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Mar 22, 2016
filing date -
Mar 27, 2015
priority date (Note) -
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Abstract
A sintered R-TM-B magnet comprising 24.5-34.5% by mass of R, which is at least one selected from rare earth elements including Y, 0.85-1.15% by mass of B, less than 0.1% by mass of Co, 0.07-0.5% by mass of Ga, and 0-0.4% by mass of Cu, the balance being Fe and inevitable impurities; the amounts (% by mass) of Ga and Cu being in a region of a pentagon defined by a point A (0.5, 0.0), a point B (0.5, 0.4), a point C (0.07, 0.4), a point D (0.07, 0.1) and a point E (0.2, 0.0), on an X-Y plane in which the X-axis represents the amount of Ga, and the Y-axis represents the amount of Cu.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HITACHI METALS LTD | KONAN 1-CHOME MINATO-KU TOKYO |
International Classification(s)

- 2016 Application Filing Year
- H01F Class
- 2147 Applications Filed
- 1680 Patents Issued To-Date
- 78.25 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
ISHII, Rintaro | Mishima-gun, JP | 24 | 107 |
# of filed Patents : 24 Total Citations : 107 | |||
KAMACHI, Masanao | Kumagaya-shi, JP | 10 | 23 |
# of filed Patents : 10 Total Citations : 23 | |||
KATOU, Takahiro | Kumagaya-shi, JP | 5 | 14 |
# of filed Patents : 5 Total Citations : 14 | |||
YAMAMICHI, Daisuke | Kumagaya-shi, JP | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- H01F Class
- 0 % this patent is cited more than
- 7 Age
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