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

Patent Owner(s)

Patent Owner	Address
IBIS TEK LLC	912 PITTSBURGH RD BUTLER PA 16002

International Classification(s)

• F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
• F21S:NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Helms, James M	Mars, US	28	390
# of filed Patents : 28 Total Citations : 390

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Patent Citation Ranking

• 5 Citation Count
• F21V Class

• 1.22 % this patent is cited more than
• 15 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
December 21, 2010	US,7854538,B2   US7854538B2	GRANTED PATENT AS SECOND PUBLICATION
May 07, 2009	US,20090116258,A1   US20090116258A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9865799

Electronic device

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Abstract

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Provided is an electronic device including a semiconductor memory. The semiconductor memory may include: a pinned layer having a pinned magnetization direction; a free layer having a changeable magnetization direction; a tunnel barrier layer interposed between the pinned layer and the free layer, and including a metal oxide; and a carbon-based compound patch positioned at one or more of between the pinned layer and the tunnel barrier layer, between the free layer and the tunnel barrier layer, and in the tunnel barrier layer.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2020
• STCH2020
• FP2020
• FEPP2020
• FPAY2016
• I2012
• STCF2012
• P2009
• AS2009
• F2009
• PD2008

Date	Code	Event	Description
Dec 21, 2020	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Dec 21, 2020	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Nov 13, 2020	FP	EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 13, 2020
Jul 06, 2020	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
May 09, 2016	FPAY	FEE PAYMENT	year of fee payment: 4
Nov 13, 2012	I	Issuance
Oct 24, 2012	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Oct 01, 2009	P	Published
Mar 30, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TREMEL, CHRISTOPHER J.;MORLOCK, BRIAN M.;SCHMITZ, MICHAEL J.;REEL/FRAME:022559/0931 Owner name: PACKET DIGITAL, NORTH DAKOTA Effective Date: Mar 30, 2009
Mar 26, 2009	F	Filing
Mar 28, 2008	PD	Priority Date