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

Patent Owner(s)

Patent Owner	Address
FUJIFILM BUSINESS INNOVATION CORP	9-7-3 AKASAKA MINATO-KU TOKYO

International Classification(s)

• G03G:ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

• 2015 Application Filing Year
• G03G Class
• 2726 Applications Filed
• 2597 Patents Issued To-Date
• 95.27 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Tamemasa, Hiroshi	Kanagawa, JP	24	109
# of filed Patents : 24 Total Citations : 109

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• 0 Citation Count
• G03G Class

• 0 % 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	Feb 1, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 1, 2029

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
August 01, 2017	US,9720338,B2   US9720338B2	GRANTED PATENT AS SECOND PUBLICATION
August 04, 2016	US,20160223925,A1   US20160223925A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9720338

Cylindrical support for electrophotographic photoreceptor, electrophotographic photoreceptor, process cartridge, and image forming apparatus

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Abstract

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A cylindrical support for an electrophotographic photoreceptor includes an aluminum alloy including Si: 0.4% by weight to 0.8% by weight, Fe: 0.7% by weight or less, Cu: 0.15% by weight to 0.4% by weight, Mn: 0.15% by weight or less, Mg: 0.8% by weight to 1.2% by weight, Cr: 0.04% by weight to 0.35% by weight, Zn: 0.25% by weight or less, Ti: 0.15% by weight or less, and a balance: aluminum and impurities, wherein an average area of crystal grains of the aluminum alloy is from 3.0 μm² to 100 μm².

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Description

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Claims

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Legal Events

 

• MAFP2024
• AS2021
• MAFP2020
• I2017
• STCF2017
• P2016
• F2015
• AS2015
• PD2015

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
Apr 01, 2021	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:FUJI XEROX CO., LTD.;REEL/FRAME:058287/0056 Owner name: FUJIFILM BUSINESS INNOVATION CORP., JAPAN Effective Date: Apr 01, 2021
Sep 30, 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
Aug 01, 2017	I	Issuance
Jul 12, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 04, 2016	P	Published
Jul 09, 2015	F	Filing
Jul 02, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TAMEMASA, HIROSHI;REEL/FRAME:036047/0194 Owner name: FUJI XEROX CO., LTD., JAPAN Effective Date: Jul 02, 2015
Feb 02, 2015	PD	Priority Date