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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
TODA KOGYO CORP	1-23 KYOBASHI-CHO MINAMI-KU HIROSHIMA-SHI HIROSHIMA-KEN

International Classification(s)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
• H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....
• C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....

• 2013 Application Filing Year
• C04B Class
• 1062 Applications Filed
• 979 Patents Issued To-Date
• 92.19 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fujii, Yasuhiko	Otake, JP	55	331
# of filed Patents : 55 Total Citations : 331
Fukushina, Norihiro	Otake, JP	3	9
# of filed Patents : 3 Total Citations : 9
Nishio, Yasushi	Otake, JP	11	41
# of filed Patents : 11 Total Citations : 41
Sakurai, Hiromitsu	Otake, JP	9	23
# of filed Patents : 9 Total Citations : 23

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Patent Citation Ranking

• 3 Citation Count
• C04B Class

• 24.26 % this patent is cited more than
• 8 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 27, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 27, 2028

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 27, 2017	US,9691528,B2   US9691528B2	GRANTED PATENT AS SECOND PUBLICATION
February 12, 2015	US,20150041702,A1   US20150041702A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9691528

Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same

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Abstract

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The present invention relates to ferrite particles for bonded magnets having a bulk density of not more than 0.75 g/cm³ and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles and the composition, and a rotor. The ferrite particles for bonded magnets and the resin composition for bonded magnets according to the present invention are capable of providing a bonded magnet molded product having a good tensile elongation and an excellent magnetic properties.

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Description

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Claims

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2015
• AS2015
• F2013
• PD2012

Date	Code	Event	Description
Dec 18, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Dec 14, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Jun 27, 2017	I	Issuance
Jun 07, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 12, 2015	P	Published
Feb 05, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NISHIO, YASUSHI;SAKURAI, HIROMITSU;FUKUSHINA, NORIHIRO;AND OTHERS;SIGNING DATES FROM 20141111 TO 20141119;REEL/FRAME:034893/0373 Owner name: TODA KOGYO CORP., JAPAN
Mar 14, 2013	F	Filing
Mar 30, 2012	PD	Priority Date