DORYOKURO KAKUNENRYO KAIHATSU JIGYODAN

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5223233 Method of concentrating plutonium nitrate solution at low temperatureAug 21, 91Jun 29, 93[C22B, C01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6210497 Super heat-resisting Mo-based alloy and method of producing sameExpiredFeb 01, 99Apr 03, 01[C22C]
5289511 Liquid-metal cooled nuclear reactorExpiredDec 08, 92Feb 22, 94[G21C]
4364859 Method for producing oxide powderExpiredJul 14, 80Dec 21, 82[G21F]
4343426 Method of fabricating an annular tankExpiredFeb 13, 80Aug 10, 82[B23K]
4330698 Microwave melterExpiredApr 21, 80May 18, 82[H05B]
4314972 Multi-stage hydrogen water isotopic exchange columnExpiredNov 17, 80Feb 09, 82[B01J]
4312722 Process for preparing nitritesExpiredOct 04, 79Jan 26, 82[C25B]
4293853 Method and apparatus for detecting flow instability in steam generatorExpiredFeb 27, 80Oct 06, 81[G08B]
4282064 Nuclear fuel elementExpiredMay 25, 79Aug 04, 81[G21C]
4279160 Pressure measuring apparatus with temperature compensating meansExpiredOct 23, 79Jul 21, 81[G01L]
4227809 Method of detecting flaws on the surface of metalExpiredSep 22, 78Oct 14, 80[G01N]
4207294 Process for recovering uranium from wet-process phosphoric acidExpiredApr 10, 78Jun 10, 80[B01D]
4202202 Method and apparatus for detecting deflect in liquid metal handling instrumentsExpiredDec 29, 78May 13, 80[G01M]
4197274 Process for reducing plutoniumExpiredApr 04, 78Apr 08, 80[C01G]
4181005 Hydrogen detectorExpiredDec 01, 77Jan 01, 80[G01N]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.