Tokyo Denki University

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 295
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
A63B APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT 166
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0228,063 CIRCUIT FOR MEASURING A BIOELECTRIC SIGNALSep 03, 14Aug 11, 16[A61B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9140445 Superheated steam generation container, superheated steam generator, and superheated steam generation methodAug 21, 08Sep 22, 15[B24B, F22B]
8972370 Repetitive fusion search method for search systemAug 21, 08Mar 03, 15[G06Q, G06F]
8797510 Gradient refractive index lens array projection exposureApr 11, 13Aug 05, 14[G03B]
8606842 N-digit subtraction unit, N-digit subtraction module, N-digit addition unit and N-digit addition moduleAug 21, 08Dec 10, 13[G06F]
8421999 Projection exposure apparatus and projection exposure methodJan 17, 08Apr 16, 13[G03B]
8394455 Method for forming diamond-like carbon filmJul 17, 08Mar 12, 13[C23C, H05H]
8330948 Semiconductor test instrument and the method to test semiconductorFeb 25, 10Dec 11, 12[G01N]
8286509 Tactile sensorDec 21, 07Oct 16, 12[G01L]
8279439 Birefringence measuring device and birefringence measuring methodJun 14, 07Oct 02, 12[G01J]
8059879 Brain function analysis apparatus and methodOct 06, 06Nov 15, 11[G06K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0147,226 Inner Surface Exposure Apparatus and Inner Surface Exposure Method Technical FieldAbandonedDec 25, 06Jun 11, 09[G03B]
2009/0109,604 Gas Insulated Switchgear and Gas Circuit BreakerAbandonedSep 12, 06Apr 30, 09[H02B]
7405380 Portable electromagnetic induction heating deviceExpiredDec 12, 03Jul 29, 08[H05B]
2007/0216,595 Dielectric-Loaded AntennaAbandonedAug 25, 04Sep 20, 07[H01Q]
2007/0197,380 Light-And Heat-Response Adsorbent And Method Of Recovering A Soluble SubstanceAbandonedJul 28, 04Aug 23, 07[B01J]
2007/0137,688 Photovoltaic power generatorAbandonedNov 09, 04Jun 21, 07[H02N]
2007/0127,995 End mill cutting method for hard brittle materialAbandonedSep 02, 04Jun 07, 07[B23C]

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