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

Patent Owner(s)

Patent Owner	Address
INTERPORT INTERNATIONAL INC	2F TWIN IKIZAKA BUILDING 2-17-F HONGO BUNKYO-KU TOKYO 113003
NINGBO ZHENHAI YUANDA ELECTROMECHANICAL MANUFACTURING CO LTD	NO 47 RENMIN RD ZHENHAI DISTRICT NINGBO ZHEJIANG 315200

International Classification(s)

• 2304:VENTILATION AND AIR-CONDITIONING EQUIPMENT

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Kehan	Zhejiang, CN	2	40
Goto, Miho	Tokyo, JP	1	10

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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: D617436

Air purifier

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