Microlens transcription molding roller and manufacturing method thereof

United States of America Patent

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Aug 2, 2011
Grant Date
Jan 13, 2011
app pub date
Sep 20, 2010
filing date
May 7, 2007

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Abstract

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A microlens transcription molding roller used for transcription-molding a plurality of microlenses on a sheet includes a plurality of microlens molding surfaces arrayed on an outer circumference of the roller along one spiral around an axis of the roller at a constant interval.

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Country	kind	publication No.	Filing Date	Type	Sub-Type
JP	B2	JP5052952	May 07, 2007	Patent	Grant
Type : Patent Sub-Type : Grant
PUBLISHED GRANTED PATENT (SECOND LEVEL)		ROLL FOR TRANSFERRING AND MOLDING MICROLENS, METHOD AND APPARATUS FOR MANUFACTURING THE ROLL, AND OPTICAL MICROLENS SHEET		Oct 17, 2012
TW	B	TWI395658	May 05, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
GRANTED PATENT OR PATENT OF ADDITION		Manufacturing method of microlens transcription molding roller, microlens transcription molding roller, manufacturing apparatus thereof, and microlens optical sheet		May 11, 2013
KR	B1	KR100978440	May 06, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
PATENT SPECIFICATION		MICROLENS TRANSCRIPTION MOLDING ROLLER, MANUFACTURING METHOD THEREOF, MANUFACTURING APPARATUS THEREOF, AND MICROLENS OPTICAL SHEET		Aug 26, 2010
US	B2	US7837461	May 06, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
GRANTED PATENT AS SECOND PUBLICATION		Microlens transcription molding roller and manufacturing method thereof		Nov 23, 2010
CN	B	CN101301776	May 07, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
GRANTED PATENT FOR INVENTION		Microlens copy forming roller, manufacturing method, manufacturing apparatus and microlens optical sheet		Jan 02, 2013

Patent Owner(s)

Patent Owner	Address
TOSHIBA KIKAI KABUSHIKI KAISHA	CHIYODA-KU TOKYO 100-0011

International Classification(s)

2010 Application Filing Year
B29C Class
3228 Applications Filed
1811 Patents Issued To-Date
56.11 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Amano, Akira	Yokohama, JP	45	552
# of filed Patents : 45 Total Citations : 552
Kondo, Sumihisa	Numazu, JP	7	20
# of filed Patents : 7 Total Citations : 20

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B29C Class

7.43 % this patent is cited more than
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Microlens transcription molding roller and manufacturing method thereof

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United States of America Patent

12886188

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PATENT NO	7988444
APP PUB NO	20110007400A1
SERIAL NO	12886188
DOCKET NO

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
August 02, 2011	US,7988444,B2 US7988444B2	GRANTED PATENT AS SECOND PUBLICATION
January 13, 2011	US,20110007400,A1 US20110007400A1	FIRST PUBLISHED PATENT APPLICATION

Date	Code	Event	Description
Dec 27, 2023	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
Oct 19, 2022	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:POSCO HOLDINGS INC.;REEL/FRAME:061777/0943 Owner name: POSCO CO., LTD, KOREA, REPUBLIC OF Effective Date: Oct 19, 2022
Mar 02, 2022	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:POSCO;REEL/FRAME:061561/0831 Owner name: POSCO HOLDINGS INC., KOREA, REPUBLIC OF Effective Date: Mar 02, 2022
Dec 22, 2019	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
Dec 03, 2016	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Nov 15, 2016	CC	CERTIFICATE OF CORRECTION
Sep 20, 2016	I	Issuance
Aug 31, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 12, 2013	P	Published
Jul 15, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:JANG, TAE-IN;KWEON, YONG-HUN;KIM, JUNG-KUK;AND OTHERS;REEL/FRAME:031078/0135 Owner name: POSCO, KOREA, REPUBLIC OF Effective Date: Jul 15, 2013
Dec 05, 2011	F	Filing
Dec 10, 2010	PD	Priority Date

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12886188

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