THE JAPAN ATOMIC POWER COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21C NUCLEAR REACTORS 241
 
  
 
G21D NUCLEAR POWER PLANT 211
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177
 
  
 
G01T MEASUREMENT OF NUCLEAR OR X-RADIATION 151

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0068,026 Infrared Transmissive Protective Cover, Method for Manufacturing the Same and Monitoring Method Using the SameNov 16, 16Mar 09, 17[C08J, G01J, B29C, G02B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9754689 Radiation source reducing system and method for nuclear power plantMar 25, 13Sep 05, 17[G21C, C02F, G21D]
8853638 Radioactivity evaluation method and radioactivity evaluation systemFeb 15, 13Oct 07, 14[G01T, G21D]
8637784 Method for improving residual stress in tubular bodyJan 11, 08Jan 28, 14[B23K]
8097765 Method of decontaminating radioisotope-contaminated surface vicinity region by use of nonthermal laser peeling without re-melting, without re-diffusion and without re-contamination, and apparatus thereforMay 29, 07Jan 17, 12[G21F]
7690624 Valve drive deviceJun 06, 05Apr 06, 10[F16K]
6782344 Method and apparatus for diagnosing abnormality and estimating degradation in valve apparatusDec 28, 01Aug 24, 04[G06F]
5333991 Thermal fatigue prevention apparatus for high temperature pumpApr 23, 93Aug 02, 94[F04D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0329,765 Infrared Transmissive Protective Cover, Method for Manufacturing the Same and Monitoring Method Using the SameAbandonedDec 13, 11Dec 12, 13[G01J, G02B]
8518331 Apparatus for decontaminating radioisotope-contaminated surface vicinity region by use of nonthermal laser peelingExpiredDec 19, 11Aug 27, 13[G21C]
6524763 Microcapsules containing a radiation sensitive composition and their useExpiredMar 01, 01Feb 25, 03[G03C, B32B]
5114667 High temperature reactor having an improved fluid coolant circulation systemExpiredJan 24, 91May 19, 92[G21C]
5017333 Multi-region reactor core pebble bed high temperature gas reactorExpiredFeb 06, 90May 21, 91[G21C]
4883185 Suspension type transporter for a bolt drawing machine and positioning controller thereforExpiredNov 02, 87Nov 28, 89[B23K]

Top Inventors for This Owner

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