Assignee
YOKOGAWA ELECTRIC CORP
JP·1,228 granted patents·707 pending applications·10,042 citations·filing 1974–2025
Top patents by PatentIndex Score
1,935 records- 0197USD801989SDisplay screen with graphic user interfaceYOKOGAWA ELECTRIC CORP·Filed 2016·Granted Nov 7, 2017·115 cites·1 claims
- 0296US6031661AConfocal microscopic equipmentYOKOGAWA ELECTRIC CORP·Filed 1998·Granted Feb 29, 2000·133 cites·10 claims
- 0396US5745049AWireless equipment diagnosis systemYOKOGAWA ELECTRIC CORP·Filed 1996·Granted Apr 28, 1998·381 cites·12 claims
- 0495US4912526AOptical frequency synthesizer/sweeperYOKOGAWA ELECTRIC CORP·Filed 1989·Granted Mar 27, 1990·69 cites·2 claims
- 0594US11657515B2Device, method and storage mediumYOKOGAWA ELECTRIC CORP·Filed 2021·Granted May 23, 2023·4 cites·20 claims
- 0694US5424932AMulti-output switching power supply having an improved secondary output circuitYOKOGAWA ELECTRIC CORP·Filed 1993·Granted Jun 13, 1995·140 cites·6 claims
- 0793US11703831B2Control system, control apparatus, and method of accessing field deviceYOKOGAWA ELECTRIC CORP·Filed 2021·Granted Jul 18, 2023·2 cites·13 claims
- 0893US11645794B2Monitoring apparatus, monitoring method, and computer-readable medium having recorded thereon monitoring programYOKOGAWA ELECTRIC CORP·Filed 2021·Granted May 9, 2023·2 cites·20 claims
- 0993US9488468B2Displacement sensor, spectral characteristic measuring apparatus, color measuring apparatus, planar measured object quality monitoring apparatus, displacement measuring method, spectral characteristic measuring method, and color measuring methodYOKOGAWA ELECTRIC CORP·Filed 2013·Granted Nov 8, 2016·30 cites·9 claims
- 1093USD674787SField wireless access pointYOKOGAWA ELECTRIC CORP·Filed 2012·Granted Jan 22, 2013·68 cites·1 claims
- 1193US7853104B2Bidirectional optical module and optical time domain reflectometerYOKOGAWA ELECTRIC CORP·Filed 2009·Granted Dec 14, 2010·82 cites·11 claims
- 1293US6738398B2SHG laser light source and method of modulation for use therewithYOKOGAWA ELECTRIC CORP·Filed 2000·Granted May 18, 2004·59 cites·20 claims
- 1393US6519508B1Valve positioner and current-to-pneumatic converterYOKOGAWA ELECTRIC CORP·Filed 2000·Granted Feb 11, 2003·46 cites·12 claims
- 1492USD930685SDisplay screen or portion thereof with graphical user interfaceYOKOGAWA ELECTRIC CORP·Filed 2020·Granted Sep 14, 2021·14 cites·1 claims
- 1592USD930027SDisplay screen or portion thereof with graphical user interfaceYOKOGAWA ELECTRIC CORP·Filed 2020·Granted Sep 7, 2021·15 cites·1 claims
- 1692US11047767B2Optical fiber characteristic measurement device and optical fiber characteristic measurement methodYOKOGAWA ELECTRIC CORP·Filed 2019·Granted Jun 29, 2021·4 cites·10 claims
- 1792US9807726B1Use of low energy bluetooth beacons to locate field equipment and personnelYOKOGAWA ELECTRIC CORP·Filed 2016·Granted Oct 31, 2017·17 cites·20 claims
- 1892US9766445B2Cell suction support systemYOKOGAWA ELECTRIC CORP·Filed 2015·Granted Sep 19, 2017·6 cites·16 claims
- 1992US9509566B2System and method for generating output dataYOKOGAWA ELECTRIC CORP·Filed 2013·Granted Nov 29, 2016·87 cites·14 claims
- 2092US9244003B1Alignment flange mounted optical window for a laser gas analyzerYOKOGAWA ELECTRIC CORP·Filed 2015·Granted Jan 26, 2016·7 cites·19 claims
- 2192USD609195SControllerYOKOGAWA ELECTRIC CORP·Filed 2009·Granted Feb 2, 2010·60 cites·1 claims
- 2292US7411725B2Optical signal demodulatorYOKOGAWA ELECTRIC CORP·Filed 2006·Granted Aug 12, 2008·30 cites·27 claims
- 2392US6590710B2Fabry-Perot filter, wavelength-selective infrared detector and infrared gas analyzer using the filter and detectorYOKOGAWA ELECTRIC CORP·Filed 2001·Granted Jul 8, 2003·116 cites·12 claims
- 2492US6441748B1Road surface condition monitoring system using sensors disposed under the roadYOKOGAWA ELECTRIC CORP·Filed 2001·Granted Aug 27, 2002·145 cites·15 claims
- 2592US5578764ACoriolis type mass flowmeter utilizing phase shifters for phase shifting of the output signalsYOKOGAWA ELECTRIC CORP·Filed 1995·Granted Nov 26, 1996·120 cites·10 claims
- 2692US5521573APrinted coilYOKOGAWA ELECTRIC CORP·Filed 1994·Granted May 28, 1996·131 cites·8 claims
- 2792US5349523ASwitching power supplyYOKOGAWA ELECTRIC CORP·Filed 1993·Granted Sep 20, 1994·140 cites·4 claims
- 2891US9632062B2Ultrasonic pipe measurement apparatusYOKOGAWA ELECTRIC CORP·Filed 2014·Granted Apr 25, 2017·13 cites·8 claims
- 2991USD717803SI/O module unitYOKOGAWA ELECTRIC CORP·Filed 2014·Granted Nov 18, 2014·46 cites·1 claims
- 3091USD702242SSignal conversion module for recorderYOKOGAWA ELECTRIC CORP·Filed 2013·Granted Apr 8, 2014·54 cites·1 claims
- 3191US7649627B2Wavelength calibration method and wavelength calibration apparatusYOKOGAWA ELECTRIC CORP·Filed 2007·Granted Jan 19, 2010·28 cites·16 claims
- 3291US7345580B2Alarm management systemYOKOGAWA ELECTRIC CORP·Filed 2004·Granted Mar 18, 2008·164 cites·20 claims
- 3391US6955881B2Method and apparatus for producing biochipsYOKOGAWA ELECTRIC CORP·Filed 2002·Granted Oct 18, 2005·38 cites·4 claims
- 3490US11326981B2Optical fiber characteristics measuring apparatus and optical fiber characteristics measuring methodYOKOGAWA ELECTRIC CORP·Filed 2018·Granted May 10, 2022·4 cites·15 claims
- 3590US10754667B1System and method of module engineering for an industrial processYOKOGAWA ELECTRIC CORP·Filed 2019·Granted Aug 25, 2020·9 cites·24 claims
- 3690US9983095B2Optical fiber characteristic measuring deviceYOKOGAWA ELECTRIC CORP·Filed 2016·Granted May 29, 2018·5 cites·14 claims
- 3790US9229871B2Cache device, communication apparatus, and computer program productYOKOGAWA ELECTRIC CORP·Filed 2013·Granted Jan 5, 2016·35 cites·17 claims
- 3890USD721386SKeyboard with symbolYOKOGAWA ELECTRIC CORP·Filed 2012·Granted Jan 20, 2015·45 cites·1 claims
- 3990US7880868B2Optical time domain reflectometerYOKOGAWA ELECTRIC CORP·Filed 2008·Granted Feb 1, 2011·57 cites·10 claims
- 4089US11353835B2Plant operation support apparatus, plant operation support method, and plant operation support program recording mediumYOKOGAWA ELECTRIC CORP·Filed 2018·Granted Jun 7, 2022·9 cites·12 claims
- 4189US11307551B1Methods, systems and computer program products for generating implementable sequential function charts codes for process control systemsYOKOGAWA ELECTRIC CORP·Filed 2021·Granted Apr 19, 2022·7 cites·15 claims
- 4289US10458947B2Thinning detection system and thinning detection methodYOKOGAWA ELECTRIC CORP·Filed 2017·Granted Oct 29, 2019·5 cites·8 claims
- 4389US10353009B2Secondary battery capacity measuring system and secondary battery capacity measuring methodYOKOGAWA ELECTRIC CORP·Filed 2017·Granted Jul 16, 2019·10 cites·15 claims
- 4489USD688248SSignal conversion module for recorderYOKOGAWA ELECTRIC CORP·Filed 2013·Granted Aug 20, 2013·51 cites·1 claims
- 4589US8005514B2Field device and method for transferring the field device's signalsYOKOGAWA ELECTRIC CORP·Filed 2005·Granted Aug 23, 2011·25 cites·15 claims
- 4689US6684137B2Traffic accident recording systemYOKOGAWA ELECTRIC CORP·Filed 2001·Granted Jan 27, 2004·115 cites·13 claims
- 4789US6292376B1Switching power supplyYOKOGAWA ELECTRIC CORP·Filed 2000·Granted Sep 18, 2001·98 cites·4 claims
- 4889US4850695ATest system for optical disksYOKOGAWA ELECTRIC CORP·Filed 1987·Granted Jul 25, 1989·57 cites·7 claims
- 4989US4825116ATransmitter-receiver of ultrasonic distance measuring deviceYOKOGAWA ELECTRIC CORP·Filed 1988·Granted Apr 25, 1989·76 cites·7 claims
- 5089US4786891AAbsolute encoder for linear or angular position measurementsYOKOGAWA ELECTRIC CORP·Filed 1986·Granted Nov 22, 1988·71 cites·10 claims
Showing the top 50 of 1,935 patent records by PatentIndex Score.
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