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

Patent Owner(s)

Patent Owner	Address
NIPPON CHEMICAL INDUSTRIAL CO LTD	9-11-1 KAMEIDO KOTO-KU TOKYO 1368515 ?1368515

International Classification(s)

• C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Abutani, Hikaru	Tokyo, JP	1	0
Imamoto, Tsuneo	Tokyo, JP	16	22
Konishi, Hiroaki	Tokyo, JP	31	130
Nakatsui, Kazuhiro	Tokyo, JP	11	16
Ono, Chiaki	Tokyo, JP	1	0
Oohara, Nobuhiko	Tokyo, JP	8	16

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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	Feb 19, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 19, 2029
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 19, 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: 2021/0253,612

PHOSPHINE TRANSITION METAL COMPLEX, METHOD FOR PRODUCING SAME, AND ANTICANCER AGENT

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