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Country	kind	publication No.	Filing Date	Type	Sub-Type
JP	B2	JP3742354	Mar 18, 2002	Patent	Grant
Type : Patent Sub-Type : Grant
PUBLISHED GRANTED PATENT (SECOND LEVEL)		BRAKE HYDRAULIC PRESSURE CONTROL UNIT FOR ON-VEHICLE DEVICE		Feb 01, 2006
DE	B4	DE10218319	Apr 24, 2002	Patent	Grant
Type : Patent Sub-Type : Grant
PATENT (SECOND PUBLICATION)		Bremsflüssigkeitsdrucksteuereinheit für ein Fahrzeug		Feb 07, 2008
JP	B2	JP4160582	Jun 30, 2005	Patent	Grant
Type : Patent Sub-Type : Grant
PUBLISHED GRANTED PATENT (SECOND LEVEL)		UNIT FOR CONTROLLING PRESSURE OF BRAKE OIL IN BUILT-IN APPARATUS		Oct 01, 2008

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

Patent Owner(s)

Patent Owner	Address
HITACHI LTD	6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 JAPAN

International Classification(s)

• B60T:VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BR....

• 2002 Application Filing Year
• B60T Class
• 456 Applications Filed
• 188 Patents Issued To-Date
• 41.23 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hiwatashi, Daisuke	Kanagawa, JP	4	13
# of filed Patents : 4 Total Citations : 13
Morita, Hikaru	Kanagawa, JP	18	122
# of filed Patents : 18 Total Citations : 122
Nakazawa, Chiharu	Kawasaki, JP	72	422
# of filed Patents : 72 Total Citations : 422
Ohishi, Yuji	Kanagawa, JP	4	13
# of filed Patents : 4 Total Citations : 13

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Patent Citation Ranking

• 3 Citation Count
• B60T Class

• 3.97 % 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
September 23, 2008	US,7427114,B2   US7427114B2	GRANTED PATENT AS SECOND PUBLICATION
November 21, 2002	US,20020171286,A1   US20020171286A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7427114

Brake fluid pressure control unit for vehicle

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Abstract

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A vehicular brake fluid pressure control unit includes a base block of aluminum material having a cylinder bore containing a piston and a return spring, and a cover member fixed to the base block to cover an open end of the cylinder bore. The cover member is formed with a vent hole opening into an atmospheric chamber in the cover member, and made of aluminum. material.

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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
• FPAY2012
• FEPP2008
• I2008
• STCF2008
• AS2004
• P2002
• AS2002
• F2002
• PD2001

Date	Code	Event	Description
Oct 26, 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
Oct 26, 2020	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Sep 23, 2020	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Sep 23, 2020
May 11, 2020	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Mar 09, 2016	FPAY	FEE PAYMENT	year of fee payment: 8
Feb 22, 2012	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 09, 2008	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 23, 2008	I	Issuance
Sep 03, 2008	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Oct 01, 2004	AS	ASSIGNMENT	free format text: MERGER;ASSIGNOR:HITACHI UNISIA AUTOMOTIVE, LTD.;REEL/FRAME:016245/0106 Owner name: HITACHI, LTD., JAPAN Effective Date: Oct 01, 2004
Nov 21, 2002	P	Published
Jul 26, 2002	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OHISHI, YUJI;MORITA, HIKARU;NAKAZAWA, CHIHARU;AND OTHERS;REEL/FRAME:013139/0129;SIGNING DATES FROM 20020520 TO 20020521 Owner name: UNISIA JECS CORPORATION, JAPAN
Apr 25, 2002	F	Filing
Apr 25, 2001	PD	Priority Date