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

Patent Owner(s)

Patent Owner	Address
NEC CORPORATION	TOKYO

International Classification(s)

• H01S:DEVICES USING STIMULATED EMISSION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
INADA, Yoshihisa	TOKYO, JP	51	138
INOUE, Takanori	TOKYO, JP	61	317
NAKAMURA, Kohei	TOKYO, JP	60	126
RODRIGUEZ, Eduardo Mateo	TOKYO, JP	16	28
YAMAN, Fatih	PRINCETON, US	73	423
ZHANG, Shaoliang	PRINCETON, US	64	460

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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	Mar 13, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 13, 2030

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

Full Text

US Patent Application No: 2018/0261,971

BIDIRECTIONAL C-BAND AND L-BAND OPTICAL TRANSMISSION USING CIRCULATORS

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