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

Patent Owner(s)

Patent Owner	Address
CANON KABUSHIKI KAISHA	JAPAN

International Classification(s)

• B41J:TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. M....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
KUBO, KOICHI	Kanagawa, JP	112	2935
OHARA, MANABU	Tokyo, JP	23	63
YOSHII, KAZUYA	Kanagawa, JP	50	829

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Jun 12, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jun 12, 2032
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Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2024/0408,885

CIRCULATION UNIT, LIQUID EJECTION HEAD, AND LIQUID EJECTION APPARATUS

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