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

Patent Owner(s)

Patent Owner	Address
JAPAN MARINE MACHINERY DEVELOPMENT ASSOCIATION A CORPORATION OF JAPAN	1-15-16 TORANOMON MINATO-KU TOKYO
MASUDA RESEARCH INC A CORPORATION OF JAPAN	3-2-1-415 NISHIHAHARA KITA-KU TOKYO
TAKUMA CO LTD A CORPORATION OF JAPAN	3-23 DOJIMA HAMA 1-CHOME KITA-KU OSAKA-SHI OSAKA

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kitoh, Shigehiro	Nishinomiya, JP	1	7
Masuda, Senichi	Tokyo, JP	24	700
Saiki, Shigeo	Akashi, JP	1	7
Sakakibara, Kaichi	Kyoto, JP	1	7

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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 No: 5324492

Method of reducing nitrogen oxide content in gas

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