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

Patent Owner(s)

Patent Owner	Address
TSINGHUA UNIVERSITY	100084 TSINGHUA YUAN BEIJING HAIDIAN DISTRICT MUNICIPAL DISTRICT BEIJING CITY 100084
JIANGSU HUADONG INSTITUTE OF LI-ION BATTERY CO LTD	SUZHOU CITY JIANGSU PROVINCE 215699 ZHANGJIAGANG YANG HUA CHANG LU SUZHOU CITY JIANGSU PROVINCE 215699

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
DING, XIAO-LEI	Beijing, CN	2	1
GAO, JIAN	Beijing, CN	749	2595
HE, XIANG-MING	Beijing, CN	155	589
LI, JIAN-JUN	Beijing, CN	149	634
LIU, ZHEN	Beijing, CN	414	5359
SHANG, YU-MING	Beijing, CN	54	98
WANG, LI	Beijing, CN	972	6677
WANG, YAO-WU	Beijing, CN	34	75
XU, ZHI-XIN	Beijing, CN	2	1

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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	May 23, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 23, 2029

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: 2017/0338,457

COMPOSITE BARIUM SULFATE DIAPHRAGM AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

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