Inventor
MIMURA TADAO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “MIMURA TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
22 patentsUS6236042B1May 22, 2001
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatography-mass spectrometry, and liquid chromatograph-mass spectrometer
HITACHI LTD34 citations96
US6005245ADec 21, 1999
Method and apparatus for ionizing a sample under atmospheric pressure and selectively introducing ions into a mass analysis region
HITACHI LTD53 citations96
US5668370ASep 16, 1997
Automatic ionization mass spectrometer with a plurality of atmospheric ionization sources
HITACHI LTD76 citations96
US5581081ADec 3, 1996
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatograph-mass spectrometry, and liquid chromatograph mass spectrometer
HITACHI LTD55 citations96
US5298744AMar 29, 1994
Mass spectrometer
HITACHI LTD45 citations94
US5663560ASep 2, 1997
Method and apparatus for mass analysis of solution sample
HITACHI LTD42 citations93
US5633496AMay 27, 1997
Mass spectrometry apparatus
HITACHI LTD19 citations93
US6339218B1Jan 15, 2002
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatography—mass spectrometry, and liquid chromatograph mass spectrometer
HITACHI LTD26 citations92
US6157030ADec 5, 2000
Ion trap mass spectrometer
HITACHI LTD39 citations92
US5789746AAug 4, 1998
Liquid chromatograph mass spectrometry and liquid chromatograph mass spectrometer
HITACHI LTD35 citations92
US5789747AAug 4, 1998
Three dimensional quadrupole mass spectrometry and mass spectrometer
HITACHI LTD24 citations92
USD347396SMay 31, 1994
Mass spectrometer combined with liquid chromatograph
HITACHI LTD43 citations92
US5051583ASep 24, 1991
Atmospheric pressure ionization type mass spectrometer
HITACHI LTD22 citations88
US5859432AJan 12, 1999
Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer liquid, chromatography--mass spectrometry, and liquid chromatograph--mass spectrometer
HITACHI LTD14 citations82
US4996424AFeb 26, 1991
Atmospheric pressure ionization mass spectrometer
HITACHI LTD19 citations82
US6683303B2Jan 27, 2004
Ion trap mass spectrometer and spectrometry
HITACHI LTD8 citations74
US5986260ANov 16, 1999
Mass analyzer
HITACHI LTD9 citations74
US5532483AJul 2, 1996
Mass spectrometer and ion source
HITACHI LTD10 citations74
US5240616AAug 31, 1993
Liquid chromatograph-direct coupled mass spectrometer
HITACHI LTD16 citations74
US5612534AMar 18, 1997
Atmospheric pressure ionization mass spectrometer
HITACHI LTD11 citations73
US5422482AJun 6, 1995
Mass spectrometric apparatus
HITACHI LTD8 citations69
US5567938AOct 22, 1996
Mass spectrometer
HITACHI LTD3 citations60
HITACHI HIGH TECH CORP
3 patentsUS7161141B2Jan 9, 2007
Ion trap/time-of-flight mass spectrometer and method of measuring ion accurate mass
HITACHI HIGH TECH CORP15 citations84
US6977373B2Dec 20, 2005
Ion trap mass analyzing apparatus
HITACHI HIGH TECH CORP14 citations84
US6759652B2Jul 6, 2004
Ion trap mass analyzing apparatus
HITACHI HIGH TECH CORP16 citations84