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

Patent Owner(s)

Patent Owner	Address
SONY CORPORATION	TOKYO

International Classification(s)

• H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
• H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ohashi, Yoshio	Kanagawa, JP	84	589
Suzuki, Nobukazu	Kanagawa, JP	76	1034
Takahashi, Masahiro	Saitama, JP	489	7038

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 10, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 10, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
April 10, 2018	US,9942640,B2   US9942640B2	GRANTED PATENT AS SECOND PUBLICATION
April 14, 2016	US,20160105740,A1   US20160105740A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9942640

Sound output apparatus, sound output method and image display apparatus

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