NAGAOKA UNIVERSITY OF TECHNOLOGY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 993
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 4152
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B23H WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL 120
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C10M LUBRICATING COMPOSITIONS 148
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 198
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0166,816 PHOTOREACTIVE LIQUID CRYSTAL COMPOSITION, DISPLAY ELEMENT, OPTICAL ELEMENT, METHOD FOR MANUFACTURING DISPLAY ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL ELEMENTAug 29, 14Jun 15, 17[C09K, G02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9755535 Three phase to single phase power conversion device with reduced wiring between condensers and switchesMay 07, 12Sep 05, 17[H02M]
9641092 Power converterMay 07, 12May 02, 17[H02M, H05K]
9632082 Motor protein deviceNov 29, 12Apr 25, 17[G01N]
9614454 Power conversion device with reduced wiring distanceMay 07, 12Apr 04, 17[H02M, H05K]
9490721 Power conversion deviceMay 07, 12Nov 08, 16[H02M, H05K]
9425701 Power conversion deviceMay 07, 12Aug 23, 16[H02M, H05K]
9203325 Power conversion deviceSep 06, 12Dec 01, 15[H02M]
9197137 Power conversion deviceSep 06, 12Nov 24, 15[H02M]
9190922 Power conversion deviceSep 06, 12Nov 17, 15[H02M]
8637416 Method for manufacturing zeolite membrane, and zeolite membraneDec 13, 10Jan 28, 14[B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8424356 Deep-drawing deviceExpiredJan 10, 08Apr 23, 13[B21D]
8272270 Ultrasonic measurement waveguide rod and ultrasonic measurement instrumentExpiredNov 07, 08Sep 25, 12[G01N]
8244046 Character string updated degree evaluation programExpiredMay 18, 07Aug 14, 12[G06K]
8235894 Emotional state determination methodExpiredMar 02, 07Aug 07, 12[G09B, A61B]
8201421 Optical component and method for its productionExpiredAug 11, 08Jun 19, 12[C03B]
2011/0166,301 POLYESTERS, POLYURETHANES AND PROCESS FOR THEIR PRODUCTIONAbandonedSep 09, 09Jul 07, 11[C08G, C07D]
7890275 Planar elongational viscosity measuring method and planar elongational viscosity measuring apparatusExpiredDec 27, 06Feb 15, 11[G01N]
2010/0274,504 FLUID ANALYSIS METHOD AND FLUID ANALYSIS DEVICEAbandonedDec 27, 06Oct 28, 10[G01N]
2010/0209,978 GENE-DISRUPTED STRAIN, RECOMBINANT PLASMIDS, TRANSFORMANTS AND PROCESS FOR PRODUCTION OF 3-CARBOXYMUCONOLACTONEAbandonedMay 09, 08Aug 19, 10[C12P, C12N]
2009/0047,202 Method for Producing Aluminate Phosphor and Aluminate PhosphorAbandonedMar 08, 07Feb 19, 09[C09K, C01F]
2008/0213,850 Pretreatment of Waste Mushroom Bed and Method of Converting the Same to Yield Sugars and EthanolAbandonedFeb 21, 06Sep 04, 08[C12P, C07C]
7311135 Process for manufacturing a nanocarbon-metal composite materialExpiredMay 24, 06Dec 25, 07[B22D]
2007/0191,578 Novel polymer compound and method for producing sameAbandonedFeb 28, 05Aug 16, 07[C08G]
2007/0135,604 Method for producing deproteinized natural rubber latexAbandonedMar 01, 05Jun 14, 07[C08G]

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