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

Patent Owner(s)

Patent Owner	Address
HITACHI CONSTRUCTION MACHINERY CO LTD	TOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

• F15B:SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUI....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hijikata, Seiji	Tsukuba, JP	44	184
Imura, Shinya	Tokyo, JP	129	710
Ishikawa, Kouji	Kasumigaura, JP	159	1336
Nishikawa, Shinji	Kasumigaura, JP	84	693
Ooki, Takatoshi	Kasumigaura, JP	35	308
Satake, Hidetoshi	Ishioka, JP	71	558

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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	Nov 22, 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

Full Text

US Patent Application No: 2014/0137,548

CONSTRUCTION MACHINERY

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