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

Patent Owner(s)

Patent Owner	Address
K H S MUSICAL INSTRUMENT CO LTD	10F NO 162 ZHONGSHAN 2ND RD LUZHOU DIST NEW TAIPEI CITY 24756

International Classification(s)

• G10D:MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR

• 2006 Application Filing Year
• G10D Class
• 164 Applications Filed
• 86 Patents Issued To-Date
• 52.44 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hsieh, Wu-Hong	Lu Chou, TW	87	879
# of filed Patents : 87 Total Citations : 879

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Patent Citation Ranking

• 4 Citation Count
• G10D Class

• 2.50 % this patent is cited more than
• 17 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
May 06, 2008	US,7368650,B2   US7368650B2	GRANTED PATENT AS SECOND PUBLICATION
February 07, 2008	US,20080028915,A1   US20080028915A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9825229

Purification of carbon nanotubes via selective heating

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Abstract

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The present invention provides methods for purifying a layer of carbon nanotubes comprising providing a precursor layer of substantially aligned carbon nanotubes supported by a substrate, wherein the precursor layer comprises a mixture of first carbon nanotubes and second carbon nanotubes; selectively heating the first carbon nanotubes; and separating the first carbon nanotubes from the second carbon nanotubes, thereby generating a purified layer of carbon nanotubes. Devices benefiting from enhanced electrical properties enabled by the purified layer of carbon nanotubes are also described.

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Description

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Claims

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Legal Events

 

• MAFP2021
• I2017
• AS2017
• STCF2017
• AS2016
• P2016
• F2014

Date	Code	Event	Description
May 21, 2021	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4
Nov 21, 2017	I	Issuance
Nov 21, 2017	AS	ASSIGNMENT	free format text: CONFIRMATORY LICENSE;ASSIGNOR:UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN;REEL/FRAME:045739/0875 Owner name: UNITED STATES DEPARTMENT OF ENERGY, DISTRICT OF CO Effective Date: Nov 21, 2017
Nov 01, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Nov 17, 2016	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROGERS, JOHN A.;WILSON, WILLIAM L.;JIN, SUNG HUN;AND OTHERS;SIGNING DATES FROM 20140421 TO 20161116;REEL/FRAME:040645/0251 Owner name: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOI free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROGERS, JOHN A.;WILSON, WILLIAM L.;JIN, SUNG HUN;AND OTHERS;SIGNING DATES FROM 20140421 TO 20161116;REEL/FRAME:040645/0251 Owner name: UNIVERSITY OF MIAMI, FLORIDA free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROGERS, JOHN A.;WILSON, WILLIAM L.;JIN, SUNG HUN;AND OTHERS;SIGNING DATES FROM 20140421 TO 20161116;REEL/FRAME:040645/0251 Owner name: NORTHWESTERN UNIVERSITY, ILLINOIS
May 12, 2016	P	Published
Apr 03, 2014	F	Filing