Ferrite magnet
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 16, 2022
Grant Date -
Jul 4, 2019
app pub date -
May 19, 2017
filing date -
May 20, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This ferrite magnet has a ferrite phase having a magnetoplumbite structure, and an orthoferrite phase, and is characterized in that the composition ratios of the total of each metal element A, R, Fe and Me is represented by expression (1) A1-xRx(Fe12-yMey)z, (in expression (1), A is at least one element selected from Sr, Ba, Ca and Pb; R is at least one element selected from the rare-earth elements (including Y) and Bi, and includes at least La, and Me is Co, or Co and Zn) and in that the content (m) of the orthoferrite phase is 0
First Claim
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International Classification(s)
- 2017 Application Filing Year
- C04B Class
- 1478 Applications Filed
- 1076 Patents Issued To-Date
- 72.81 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C04B Class
- 0 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Feb 16, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 16, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 16, 2034 |
