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

Patent Owner(s)

Patent Owner	Address
HAPPY SOAP LLC	1133 BAL HARBOR BOULEVARD PUNTA GORDA FL 33955

International Classification(s)

• B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hashimoto, Tadao	Santa Barbara, US	93	1210
# of filed Patents : 93 Total Citations : 1210
Hoff, Sierra	Solvang, US	8	61
# of filed Patents : 8 Total Citations : 61

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Patent Citation Ranking

• 3 Citation Count
• B23K Class

• 20.71 % this patent is cited more than
• 9 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 27, 2028

Fee	Large entity fee	small entity fee	micro entity fee
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

Full Text

US Patent No: 6562535

Toner for development of electrostatic image

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Abstract

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A toner for development of electrostatic images, comprising at least a binder resin, a colorant and a charge control agent, wherein the charge control agent contains a positive charge control resin (A) composed of a polymer having a weight average molecular weight of 1,000 to 100,000 and a functional group which brings positively charging ability, and a negative charge control resin (B) composed of a polymer having a weight average molecular weight of 1,000 to 100,000 and a functional group which brings negatively charging ability. The toner is excellent in flowability, shelf stability and charge properties, and provides images excellent in image quality.

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Description

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Claims

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Legal Events

 

• STCH2015
• FP2015
• LAPS2015
• REMI2014
• FPAY2010
• FPAY2006
• I2003
• FEPP2002
• F2001
• AS2001
• PD1999

Date	Code	Event	Description
Jun 08, 2015	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
May 13, 2015	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 13, 2015
May 13, 2015	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Dec 19, 2014	REMI	MAINTENANCE FEE REMINDER MAILED
Oct 14, 2010	FPAY	FEE PAYMENT	year of fee payment: 8
Oct 20, 2006	FPAY	FEE PAYMENT	year of fee payment: 4
May 13, 2003	I	Issuance
Nov 01, 2002	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 25, 2001	F	Filing
Sep 14, 2001	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MASUO, KOJIRO;YOKOYAMA, SHUICHI;KISHIMOTO, TAKUJI;AND OTHERS;REEL/FRAME:012301/0307 Owner name: NIPPON ZEON CO., LTD., JAPAN Effective Date: Sep 14, 2001
Mar 26, 1999	PD	Priority Date