AWA PAPER MFG. CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 7127
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 130
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9889393 Filtration apparatusJan 14, 11Feb 13, 18[C02F, B01D]
8778183 Filtering apparatusJan 26, 10Jul 15, 14[C02F, B01D]
7987996 Filter medium, fluid filter, and engine oil filterJun 09, 08Aug 02, 11[B01D]
7071130 Laminated material of segregating membrane and segregating membrane supporting material, and its method of manufactureJul 21, 03Jul 04, 06[B32B]
6919026 Semipermeable membrane support and process of preparation thereofSep 20, 01Jul 19, 05[D21F, B01D, D04H]
6843819 Air filterJan 23, 02Jan 18, 05[B01D]
6336947 Air filterMay 01, 00Jan 08, 02[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0077,938 FILTER MATERIALAbandonedJun 27, 06Mar 26, 09[B01D]
6937459 Separator for electric double-layer capacitor, electric double-layer capacitor, and manufacturing method of separator for electric double-layer capacitorExpiredMay 20, 04Aug 30, 05[H01G]
4611361 Sheet materials for cleaning conveying rolls and guides of a facsimile apparatusExpiredMar 07, 85Sep 16, 86[A47L]

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