P

Assignee

JEOL LTD

US790 patents

Top patents by PatentIndex Score

US6310762B1Oct 30, 2001

Carbon material for electric double layer capacitor, method of producing same, electric double layer capacitor and method of fabricating same

JEOL LTD122 citations99
US6426501B1Jul 30, 2002

Defect-review SEM, reference sample for adjustment thereof, method for adjustment thereof, and method of inspecting contact holes

JEOL LTD105 citations98
US5783928AJul 21, 1998

Storage capacitor power supply

JEOL LTD101 citations98
US5713426AFeb 3, 1998

Hybrid vehicle

JEOL LTD126 citations98
US5734205AMar 31, 1998

Power supply using batteries undergoing great voltage variations

JEOL LTD105 citations97
US7504620B2Mar 17, 2009

Method and apparatus for time-of-flight mass spectrometry

JEOL LTD41 citations96
US6738252B2May 18, 2004

Carbon material for electric double layer capacitor, method of producing same, electric double layer capacitor and method of fabricating same

JEOL LTD54 citations96
US6504365B2Jan 7, 2003

Magnetic force microscope

JEOL LTD69 citations96
US6424156B1Jul 23, 2002

Storage capacitor power supply

JEOL LTD54 citations96
US6317343B1Nov 13, 2001

Capacitor power supply with switches to decrease variations in output voltage

JEOL LTD64 citations96
US6300625B1Oct 9, 2001

Time-of-flight mass spectrometer

JEOL LTD80 citations96
US5969505AOct 19, 1999

Charging system for charging capacitors of a capacitor bank

JEOL LTD54 citations96
US5532572AJul 2, 1996

Storage capacitor power supply

JEOL LTD41 citations96
US5498951AMar 12, 1996

Method and apparatus for charging electric double layer capacitor

JEOL LTD50 citations96
US4992660AFeb 12, 1991

Scanning tunneling microscope

JEOL LTD91 citations96
US4419581ADec 6, 1983

Magnetic objective lens for use in a scanning electron microscope

JEOL LTD55 citations96
US4045672AAug 30, 1977

Apparatus for tomography comprising a pin hole for forming a microbeam of x-rays

JEOL LTD83 citations96
US6146592ANov 14, 2000

Automatic biochemical analyzer

JEOL LTD121 citations95
US5225683AJul 6, 1993

Detachable specimen holder for transmission electron microscope

JEOL LTD87 citations95
US4681513AJul 21, 1987

Two-stage pump assembly

JEOL LTD96 citations95
US6005246ADec 21, 1999

Scanning probe microscope

JEOL LTD70 citations94
US6721168B2Apr 13, 2004

Electric double-layer capacitor and carbon material therefor

JEOL LTD58 citations93
US6003531ADec 21, 1999

Pipette-washing device for automatic biochemical analyzer

JEOL LTD26 citations93
US5948358ASep 7, 1999

Washing device for automatic biochemical analyzer

JEOL LTD33 citations93
US5907157AMay 25, 1999

Method and apparatus for preparing specimen

JEOL LTD100 citations93
US5656812AAug 12, 1997

Electron probe microanalyzer and X-ray analysis using same

JEOL LTD29 citations93
US5126566AJun 30, 1992

Dimension measurement system utilizing scanning electron beam

JEOL LTD40 citations93
US5084618AJan 28, 1992

Autofocus method and apparatus for electron microscope

JEOL LTD28 citations93
US4912326AMar 27, 1990

Direct imaging type SIMS instrument

JEOL LTD62 citations93
US4743227AMay 10, 1988

Column for continuous particle fractionation apparatus utilizing centrifugal field

JEOL LTD28 citations93
US4135095AJan 16, 1979

Apparatus for obtaining an X-ray image

JEOL LTD33 citations93
US7189977B2Mar 13, 2007

Electrospray mass spectrometer and ion source

JEOL LTD29 citations92
US6983644B2Jan 10, 2006

Specimen observation method in atomic force microscopy and atomic force microscope

JEOL LTD21 citations92
US6977369B2Dec 20, 2005

Cold spray mass spectrometric device

JEOL LTD25 citations92
US6949736B2Sep 27, 2005

Method of multi-turn time-of-flight mass analysis

JEOL LTD39 citations92
US6759656B2Jul 6, 2004

Electron microscope equipped with electron biprism

JEOL LTD24 citations92
US6723973B2Apr 20, 2004

Method for inspecting accuracy in stitching pattern elements using cad or pattern reference data

JEOL LTD20 citations92
US6495826B2Dec 17, 2002

Monochrometer for electron beam

JEOL LTD24 citations92
US6448555B1Sep 10, 2002

Electron microscope and similar instruments

JEOL LTD38 citations92
US6404170B2Jun 11, 2002

Electrical storage capacitor system having initializing function

JEOL LTD20 citations92
US6281495B1Aug 28, 2001

Method of producing magnetic force image and scanning probe microscope

JEOL LTD25 citations92
US6259960B1Jul 10, 2001

Part-inspecting system

JEOL LTD240 citations92
US6215278B1Apr 10, 2001

Capacitor module, bank of such modules, and storehouse housing such banks

JEOL LTD29 citations92
US6160256ADec 12, 2000

Time-of-flight mass spectrometer and mass spectrometric method sing same

JEOL LTD37 citations92
US6140645AOct 31, 2000

Transmission electron microscope having energy filter

JEOL LTD26 citations92
US6127682AOct 3, 2000

Scanning probe microscope and method of analyzing sample using same

JEOL LTD29 citations92
US6111253AAug 29, 2000

Transmission electron microscope

JEOL LTD31 citations92
US6075378AJun 13, 2000

Electrical energy storage capacitor power supply capable of shorting out defective capacitors

JEOL LTD40 citations92
US6073485AJun 13, 2000

Scanning microscope for image topography and surface potential

JEOL LTD52 citations92
US6066936AMay 23, 2000

Electrical storage system made of capacitors

JEOL LTD32 citations92

Showing the top 50 of 790 patents by PatentIndex Score.