Inventor
WAKI IZUMI
JP58 patents
⚠️ This page may combine multiple inventors who share the name “WAKI IZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
25 patentsUS5783824AJul 21, 1998
Ion trapping mass spectrometry apparatus
HITACHI LTD153 citations99
US8049169B2Nov 1, 2011
Ion guide device, ion reactor, and mass analyzer
HITACHI LTD52 citations98
US6075244AJun 13, 2000
Mass spectrometer
HITACHI LTD94 citations98
US5679950AOct 21, 1997
Ion trapping mass spectrometry method and apparatus therefor
HITACHI LTD73 citations96
US7820961B2Oct 26, 2010
Mass spectrometer and method of mass spectrometry
HITACHI LTD30 citations93
US7592589B2Sep 22, 2009
Method of mass spectrometry and mass spectrometer
HITACHI LTD18 citations93
US7265345B2Sep 4, 2007
Ion-mobility spectrometer and ion-mobility analysis method
HITACHI LTD17 citations93
US6900430B2May 31, 2005
Mass spectrometer and measurement system using the mass spectrometer
HITACHI LTD35 citations92
US6852970B2Feb 8, 2005
Mass spectrometer
HITACHI LTD24 citations92
US6489609B1Dec 3, 2002
Ion trap mass spectrometry and apparatus
HITACHI LTD31 citations92
US6884997B2Apr 26, 2005
Method and apparatus for detecting dangerous substances and substances of interest
HITACHI LTD27 citations91
US7064320B2Jun 20, 2006
Mass chromatograph
HITACHI LTD23 citations88
US7378650B2May 27, 2008
Ion-mobility spectrometer and ion-mobility analysis method
HITACHI LTD10 citations84
US6852971B2Feb 8, 2005
Electric charge adjusting method, device therefor, and mass spectrometer
HITACHI LTD14 citations84
US6566651B2May 20, 2003
Ion trap mass spectrometry and apparatus
HITACHI LTD15 citations84
US7820965B2Oct 26, 2010
Apparatus for detecting chemical substances and method therefor
HITACHI LTD6 citations74
US7015464B2Mar 21, 2006
Apparatus for detecting chemical substances and method therefor
HITACHI LTD6 citations74
US7449685B2Nov 11, 2008
Gas monitoring apparatus
HITACHI LTD6 citations70
US7882754B2Feb 8, 2011
Gas component collector, gas component collecting device, filter producing method, and gas component analyzing apparatus
HITACHI LTD4 citations63
US7759641B2Jul 20, 2010
Ion trap mass spectrometer
HITACHI LTD5 citations63
US7675033B2Mar 9, 2010
Method of mass spectrometry and mass spectrometer
HITACHI LTD2 citations63
US7408153B2Aug 5, 2008
Apparatus for detecting chemical substances and method therefor
HITACHI LTD3 citations63
US7375316B2May 20, 2008
Mass spectrometer and mass spectrometry
HITACHI LTD2 citations63
US7164124B2Jan 16, 2007
Mass spectrometric apparatus and ion source
HITACHI LTD6 citations63
US7034287B2Apr 25, 2006
Mass spectrometer and method of use
HITACHI LTD2 citations62
HITACHI HIGH TECH CORP
17 patentsUS7309860B2Dec 18, 2007
Mass spectrometer
HITACHI HIGH TECH CORP17 citations93
US7208728B2Apr 24, 2007
Mass spectrometer
HITACHI HIGH TECH CORP17 citations93
US6967323B2Nov 22, 2005
Mass spectrometer
HITACHI HIGH TECH CORP21 citations93
US6917037B2Jul 12, 2005
Mass spectrum analyzing system
HITACHI HIGH TECH CORP22 citations92
US7589321B2Sep 15, 2009
Reaction cell and mass spectrometer
HITACHI HIGH TECH CORP17 citations84
US7569814B2Aug 4, 2009
Mass spectrometer
HITACHI HIGH TECH CORP10 citations84
US7566870B2Jul 28, 2009
Mass spectrometer
HITACHI HIGH TECH CORP10 citations84
US7348554B2Mar 25, 2008
Mass spectrometer
HITACHI HIGH TECH CORP12 citations84
US6888134B2May 3, 2005
Mass spectrometer and mass spectrometric method
HITACHI HIGH TECH CORP15 citations84
US6797949B2Sep 28, 2004
Mass spectrometer
HITACHI HIGH TECH CORP16 citations84
US6707033B2Mar 16, 2004
Mass spectrometer
HITACHI HIGH TECH CORP18 citations83
US7589320B2Sep 15, 2009
Mass spectrometer
HITACHI HIGH TECH CORP5 citations74
US9597612B2Mar 21, 2017
Analysis device including solid-phase extraction material filling and discharging mechanisms
HITACHI HIGH TECH CORP3 citations73
US7800058B2Sep 21, 2010
Mass spectrometer and mass spectrometry method
HITACHI HIGH TECH CORP6 citations63
US7329862B2Feb 12, 2008
Mass spectrometer
HITACHI HIGH TECH CORP3 citations63
US7319222B2Jan 15, 2008
Mass spectrometer and mass analysis method
HITACHI HIGH TECH CORP6 citations63
US8604425B2Dec 10, 2013
Sample pretreatment apparatus and mass spectrometer provided with the same
HITACHI HIGH TECH CORP2 citations62
NOGAMI MAKOTO
2 patentsKANDA KATSUHIRO
2 patentsAPPLERA CORP
1 patentSATAKE HIROYUKI
1 patentKASHIMA HIDEO
1 patentBABA TAKASHI
1 patentShowing the top 50 of 58 patents by PatentIndex Score.