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

Patent Owner(s)

Patent Owner	Address
NIPPON TELEGRAPH AND TELEPHONE CORPORATION	5-1 OTEMACHI 1-CHOME CHIYODA-KU TOKYO 1008116 ?1008116

International Classification(s)

• H04L:TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAP....
• G06F:ELECTRIC DIGITAL DATA PROCESSING
• G04G:ELECTRONIC TIME-PIECES
• H04J:MULTIPLEX COMMUNICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arai, Kaoru	Musashino-shi, Tokyo, JP	31	175
NAKAGAWA, Masahiro	Musashino-shi, Tokyo, JP	67	918
Sakuma, Hiroki	Musashino-shi, Tokyo, JP	18	8
Tsuboi, Shunichi	Musashino-shi, Tokyo, JP	13	7

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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	Jul 27, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 27, 2029
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 27, 2033

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2022/0026,857

TIME TRANSMISSION CORRECTION DEVICE, TIME TRANSMISSION SYSTEM, AND DELAY MEASUREMENT METHOD

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