EMW CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01Q AERIALS 1694
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 555
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 170
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04Q SELECTING 1109
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0329,627 EMBEDDED ANTENNADec 22, 14Nov 10, 16[H01Q]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9837720 Metamaterial antennaSep 17, 12Dec 05, 17[H01Q]
9660343 Antenna and communication device comprising sameMay 31, 13May 23, 17[H01Q]
9391372 AntennaOct 02, 13Jul 12, 16[H01Q]
9203370 Broadband circuit and communication apparatus including sameDec 18, 12Dec 01, 15[H01P, H01Q, H03H]
8902118 CRLH-TL meta material antennaNov 11, 09Dec 02, 14[H01Q]
8717125 Transmission line with left-hand characteristics including an interdigital capacitor with partially overlapping fingersOct 30, 07May 06, 14[H01P]
8659501 Meta material antenna using coupling in helical structureNov 17, 09Feb 25, 14[H01Q]
8608975 Ferrite for high-frequency applications and manufacturing method thereofNov 18, 09Dec 17, 13[H01F]
8581796 Antenna using complex structure having periodic, vertical spacing between dielectric and magnetic substancesJul 20, 09Nov 12, 13[H01Q]
8547281 Metamaterial antenna using a magneto-dielectric materialFeb 03, 09Oct 01, 13[H01Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0119,135 METHOD FOR PRODUCING FERRITEAbandonedAug 11, 09May 17, 12[H01F]
2012/0068,901 MULTIBAND AND BROADBAND ANTENNA USING METAMATERIALS, AND COMMUNICATION APPARATUS COMPRISING THE SAMEAbandonedMar 02, 10Mar 22, 12[H01Q]
2012/0056,788 MULTIBAND AND BROADBAND ANTENNA USING METAMATERIALS, AND COMMUNICATION APPARATUS COMPRISING THE SAMEAbandonedMar 02, 10Mar 08, 12[H01Q]
8059061 Subminiature internal antennaExpiredOct 02, 06Nov 15, 11[H01Q]
2011/0187,621 ANTENNA WITH COMPLEX STRUCTURE OF PERIODIC, GRATING ARRANGEMENT OF DIELECTRIC AND MAGNETIC SUBSTANCESAbandonedJul 20, 09Aug 04, 11[H01Q]
2011/0182,763 METHOD OF MANUFACTURING ELECTRONIC COMPONENT FOR RF APPLICATIONS BY SINTERINGAbandonedSep 28, 09Jul 28, 11[B22F]
2011/0147,643 METHOD FOR PRODUCING NICKEL-MANGANESE-COBALT SPINEL FERRITE HAVING LOW PERMEABILITY LOSS AND NICKEL-MANGANESE-COBALT SPINEL FERRITE PRODUCED THEREBYAbandonedAug 10, 09Jun 23, 11[C04B]
2011/0128,195 EMBEDDED ANTENNA OF WIRELESS DEVICE AND METHOD OF MANUFACTURING THEREOFAbandonedAug 05, 09Jun 02, 11[H01P, H01Q]
2011/0032,168 ANTENNA USING COMPLEX STRUCTURE HAVING PERPENDICULAR PERIOD BETWEEN DIELECTRIC AND MAGNETIC SUBSTANCEAbandonedApr 08, 09Feb 10, 11[H01Q]
2011/0032,169 ANTENNA BASED ON DIELECTRO-MAGNETIC COMPOSITE STRUCTURE HAVING A PERIODIC LATTICEAbandonedApr 07, 09Feb 10, 11[H01Q]
2010/0253,579 Antenna with 3-D ConfigurationAbandonedJun 27, 07Oct 07, 10[H01Q]
2010/0207,826 ANTENNA SYSTEM USING HOUSINGS OF ELECTRONIC DEVICE AND ELECTRONIC DEVICE COMPRISING THE SAMEAbandonedJul 17, 08Aug 19, 10[H01Q]
2010/0032,859 INJECTION MOLDING SUBSTANCE AND MANUFACTURING METHOD THEREOFAbandonedFeb 23, 07Feb 11, 10[B28B, B29C]

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