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

Patent Owner(s)

Patent Owner	Address
BAYER INTELLECTUAL PROPERTY GMBH	ALFRED-NOBEL-STRASSE 10 MONHEIM 40789

International Classification(s)

• 0301:TRUNKS, SUITCASES, BRIEFCASES, HANDBAGS, KEYHOLDER....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bazargani, Parviz	Hamburg, DE	23	312
# of filed Patents : 23 Total Citations : 312
Leifeld, Sabine	Berlin, DE	30	366
# of filed Patents : 30 Total Citations : 366
Ranze, Heike	Berlin, DE	25	314
# of filed Patents : 25 Total Citations : 314
Wiklund, Michael	Concord, US	23	241
# of filed Patents : 23 Total Citations : 241

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Patent Citation Ranking

• 3 Citation Count
• 0301 Class

• 0 % this patent is cited more than
• 13 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

Full Text

US Patent No: 9612407

Optical coupler for multicore fiber

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Abstract

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An optical connector of the present invention includes a ferrule that holds a multicore fiber, and a plug frame equipping the ferrule housed therein. The ferrule has at least one flat surface on the outer circumferential surface thereof, and the plug frame has a plate spring structure to apply pressure on the flat surface. In the optical connector of the present invention, the plate spring structure is casted in the plug frame.

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Description

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Claims

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2016
• AS2015
• F2014
• PD2013

Date	Code	Event	Description
Sep 26, 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
Sep 18, 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
Apr 04, 2017	I	Issuance
Mar 15, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 08, 2016	P	Published
Jun 11, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOBAYASHI, TETSUYA;ENDO, HARUYUKI;IKEGAI, KAZUAKI;AND OTHERS;REEL/FRAME:036655/0410 Owner name: ADAMANT CO., LTD., JAPAN Effective Date: Jun 11, 2015 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOBAYASHI, TETSUYA;ENDO, HARUYUKI;IKEGAI, KAZUAKI;AND OTHERS;REEL/FRAME:036655/0410 Owner name: OPTOQUEST CO., LTD., JAPAN Effective Date: Jun 11, 2015
Mar 05, 2014	F	Filing
Mar 18, 2013	PD	Priority Date