RIGAKU INDUSTRIAL CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0153,332 X-ray fluorescence analyzerAbandonedMar 11, 04Jul 13, 06[G01T]
6708121 Analyzing apparatusExpiredNov 01, 01Mar 16, 04[G01N]
2003/0169,844 X-ray monochromator and x-ray fluorescence spectrometer using the sameAbandonedFeb 04, 03Sep 11, 03[G21K]
2003/0169,845 X-ray monochromator and X-ray fluorescence spectrometer using the sameAbandonedFeb 04, 03Sep 11, 03[G21K]
2003/0142,781 X-ray fluorescence spectrometer for semiconductorsAbandonedJan 30, 03Jul 31, 03[G01T]
2002/0176,536 Preparation of an oil sample fox X-ray fluorescence analysisAbandonedMar 19, 02Nov 28, 02[G21K]
6457862 Analyzer system having sample exchangerExpiredJul 06, 00Oct 01, 02[H05G]
6438200 X-ray fluorescence analyzing apparatusExpiredSep 22, 00Aug 20, 02[G01N]
2001/0021,240 X-ray spectroscopic analyzer having sample surface observation mechanismAbandonedMar 07, 01Sep 13, 01[G01N]
5579362 Method of and apparatus for the quantitative measurement of paint coatingExpiredDec 22, 95Nov 26, 96[G01B]
5132997 X-ray spectroscopic analyzing apparatusExpiredSep 04, 91Jul 21, 92[G21K]
5103470 Characteristic X-ray detecting deviceExpiredAug 03, 90Apr 07, 92[G01T]
4788700 Fluorescent X-ray analyzing method of solution specimen and specimen sampler used for the methodExpiredNov 05, 86Nov 29, 88[G01N, H05G]
4405560 Carrier for holding analytical samplesExpiredOct 07, 81Sep 20, 83[B01L, G01N]
4271353 X-ray spectroscopeExpiredJun 27, 79Jun 02, 81[G01N]
4256961 X-ray spectroscopeExpiredJun 27, 79Mar 17, 81[G01N]

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