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

Patent Owner(s)

Patent Owner	Address
HITACHI CHEMICAL COMPANY LTD	CHIYODA-KU TOKYO 100-6606

International Classification(s)

• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• G03C:PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Makino, Tatsuya	Ibaraki, JP	52	261
# of filed Patents : 52 Total Citations : 261
Suzumura, Kouji	Ibaraki, JP	6	89
# of filed Patents : 6 Total Citations : 89
Takahashi, Atsushi	Ibaraki, JP	443	3708
# of filed Patents : 443 Total Citations : 3708

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 21, 2025

Fee	Large entity fee	small entity fee	micro entity fee
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
January 21, 2014	US,8632952,B2   US8632952B2	GRANTED PATENT AS SECOND PUBLICATION
February 04, 2010	US,20100027950,A1   US20100027950A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7357116

Direct injection internal combustion engine

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Abstract

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A direct injection engine has a fuel injection valve that directs a spray of fuel to each side of a spark plug electrode. The fuel mixes with the air to define a region of relatively richer air-fuel mixture and a region of relatively leaner air-fuel mixture. The electrode is positioned within the relatively leaner region.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2024
• LAPS2024
• FP2024
• FEPP2024
• MAFP2020
• I2016
• STCF2016
• P2016
• F2014
• PD2013

Date	Code	Event	Description
Oct 29, 2024	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Oct 28, 2024	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: MICROENTITY
Sep 20, 2024	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Sep 20, 2024
May 13, 2024	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: MICROENTITY
Mar 20, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, MICRO ENTITY (ORIGINAL EVENT CODE: M3551); ENTITY STATUS OF PATENT OWNER: MICROENTITY year of fee payment: 4
Sep 20, 2016	I	Issuance
Aug 31, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jan 07, 2016	P	Published
Feb 26, 2014	F	Filing
Feb 26, 2013	PD	Priority Date