Assignee
KEYENCE CO LTD
JP·451 granted patents·139 pending applications·3,361 citations·filing 1986–2025
Top patents by PatentIndex Score
590 records- 0198US9494528B2Inspection apparatus, inspection method, and programKEYENCE CO LTD·Filed 2015·Granted Nov 15, 2016·16 cites·19 claims
- 0297US9689806B2Inspection apparatus, inspection method, and programKEYENCE CO LTD·Filed 2016·Granted Jun 27, 2017·8 cites·12 claims
- 0396US11694048B2Optical information reading deviceKEYENCE CO LTD·Filed 2021·Granted Jul 4, 2023·3 cites·20 claims
- 0496US11301659B2Installation support device and installation support method for stationary code readerKEYENCE CO LTD·Filed 2021·Granted Apr 12, 2022·5 cites·18 claims
- 0596US6653638B2Ion generating apparatusKEYENCE CO LTD·Filed 2001·Granted Nov 25, 2003·52 cites·10 claims
- 0695US10837757B1Three-dimensional coordinate measuring deviceKEYENCE CO LTD·Filed 2020·Granted Nov 17, 2020·15 cites·10 claims
- 0795US10036713B2Inspection apparatus, inspection method, and programKEYENCE CO LTD·Filed 2017·Granted Jul 31, 2018·5 cites·14 claims
- 0895US9790382B2Modeling material for forming photofabrication model in ink-jet three dimensional printing, supporting material for supporting the shape of photofabrication model on photofabrication and production method of photofabrication modelKEYENCE CO LTD·Filed 2016·Granted Oct 17, 2017·7 cites·14 claims
- 0995US9387684B2Ink jet recording apparatus, ink or solvent cartridge, and bottle included in cartridgeKEYENCE CO LTD·Filed 2014·Granted Jul 12, 2016·12 cites·19 claims
- 1095US7948733B2Static eliminatorKEYENCE CO LTD·Filed 2008·Granted May 24, 2011·24 cites·15 claims
- 1195US7649728B2Electricity removal apparatusKEYENCE CO LTD·Filed 2007·Granted Jan 19, 2010·26 cites·16 claims
- 1295US2026057202A1Installation support device and installation support method for stationary code readerKEYENCE CO LTD·Filed 2025·Application pending·0 cites
- 1394US12141958B2Image measurement apparatusKEYENCE CO LTD·Filed 2023·Granted Nov 12, 2024·3 cites·15 claims
- 1494US12039400B2Optical information reading deviceKEYENCE CO LTD·Filed 2023·Granted Jul 16, 2024·2 cites·12 claims
- 1594US11640508B2Installation support device and installation support method for stationary code readerKEYENCE CO LTD·Filed 2022·Granted May 2, 2023·2 cites·18 claims
- 1694US10846881B2Image measuring apparatusKEYENCE CO LTD·Filed 2020·Granted Nov 24, 2020·4 cites·20 claims
- 1794US10190896B2Ultrasonic flow sensor and method of attaching the sameKEYENCE CO LTD·Filed 2017·Granted Jan 29, 2019·8 cites·15 claims
- 1894US9671264B2Ultrasonic flow switchKEYENCE CO LTD·Filed 2016·Granted Jun 6, 2017·13 cites·20 claims
- 1993US9608397B2Laser processing deviceKEYENCE CO LTD·Filed 2015·Granted Mar 28, 2017·8 cites·11 claims
- 2093US7375944B2Ionizer and discharge electrode assembly to be assembled thereinKEYENCE CO LTD·Filed 2006·Granted May 20, 2008·32 cites·15 claims
- 2192US12013230B2Three-dimensional shape measuring apparatusKEYENCE CO LTD·Filed 2022·Granted Jun 18, 2024·2 cites·15 claims
- 2292US11908654B2Safety switchKEYENCE CO LTD·Filed 2022·Granted Feb 20, 2024·2 cites·20 claims
- 2392US11907803B2Installation support device and installation support method for stationary code readerKEYENCE CO LTD·Filed 2023·Granted Feb 20, 2024·1 cites·8 claims
- 2492US10773386B2Robot setting apparatus and robot setting methodKEYENCE CO LTD·Filed 2018·Granted Sep 15, 2020·9 cites·19 claims
- 2592US10190873B1Shape measuring device and shape measuring methodKEYENCE CO LTD·Filed 2018·Granted Jan 29, 2019·18 cites·10 claims
- 2692US9778023B2Optical coordinate measuring deviceKEYENCE CO LTD·Filed 2015·Granted Oct 3, 2017·11 cites·12 claims
- 2792US9778203B2Inspection apparatus, inspection method, and programKEYENCE CO LTD·Filed 2017·Granted Oct 3, 2017·7 cites·14 claims
- 2892US9542583B2Optical information reading deviceKEYENCE CO LTD·Filed 2015·Granted Jan 10, 2017·14 cites·20 claims
- 2992US7059184B2Split-flow-type flow sensor deviceKEYENCE CO LTD·Filed 2005·Granted Jun 13, 2006·103 cites·20 claims
- 3091US11686668B2Analysis deviceKEYENCE CO LTD·Filed 2021·Granted Jun 27, 2023·3 cites·11 claims
- 3191US10909702B2Inspection deviceKEYENCE CO LTD·Filed 2019·Granted Feb 2, 2021·6 cites·4 claims
- 3291US10591285B2Image inspection apparatusKEYENCE CO LTD·Filed 2018·Granted Mar 17, 2020·11 cites·6 claims
- 3391US9696195B2Ultrasonic flow switchKEYENCE CO LTD·Filed 2016·Granted Jul 4, 2017·14 cites·8 claims
- 3491US5259729APropeller blade tip path plane inclining deviceKEYENCE CO LTD·Filed 1992·Granted Nov 9, 1993·77 cites·12 claims
- 3590US11308301B2Optical reading deviceKEYENCE CO LTD·Filed 2021·Granted Apr 19, 2022·2 cites·11 claims
- 3690US10088301B2Image measurement deviceKEYENCE CO LTD·Filed 2017·Granted Oct 2, 2018·6 cites·15 claims
- 3790US9557159B2Optical coordinate measuring deviceKEYENCE CO LTD·Filed 2015·Granted Jan 31, 2017·9 cites·12 claims
- 3890US7667857B2Optical displacement meter, optical displacement measuring method, optical displacement measuring program, computer-readable recording medium, and device that records the programKEYENCE CO LTD·Filed 2008·Granted Feb 23, 2010·26 cites·12 claims
- 3990US7489410B2Optical displacement meter, optical displacement measuring method, optical displacement measuring program, computer-readable recording medium, and device that records the programKEYENCE CO LTD·Filed 2007·Granted Feb 10, 2009·28 cites·12 claims
- 4090US6979814B2Multi-optical-path photoelectric safety apparatusKEYENCE CO LTD·Filed 2002·Granted Dec 27, 2005·51 cites·13 claims
- 4189US11551884B2Safety switchKEYENCE CO LTD·Filed 2019·Granted Jan 10, 2023·5 cites·11 claims
- 4289US10260859B2Confocal displacement sensorKEYENCE CO LTD·Filed 2018·Granted Apr 16, 2019·6 cites·20 claims
- 4389US9754146B2Portable optical readerKEYENCE CO LTD·Filed 2016·Granted Sep 5, 2017·9 cites·9 claims
- 4488US12365185B2Inkjet recording device and cartridgeKEYENCE CO LTD·Filed 2024·Granted Jul 22, 2025·0 cites·14 claims
- 4588US12061076B2Probe for three-dimensional coordinate measuring device, three-dimensional coordinate measuring device, three-dimensional coordinate measuring system, and three-dimensional coordinate measuring methodKEYENCE CO LTD·Filed 2022·Granted Aug 13, 2024·2 cites·13 claims
- 4688US11607887B2Inkjet recording device and cartridgeKEYENCE CO LTD·Filed 2021·Granted Mar 21, 2023·1 cites·19 claims
- 4788US10890749B2Magnifying observation apparatusKEYENCE CO LTD·Filed 2019·Granted Jan 12, 2021·6 cites·20 claims
- 4888US10508995B2Three-dimensional image inspection device, three-dimensional image inspection method, three-dimensional image inspection program, and computer-readable recording medium and recording equipmentKEYENCE CO LTD·Filed 2017·Granted Dec 17, 2019·6 cites·11 claims
- 4988US10415958B2Measuring deviceKEYENCE CO LTD·Filed 2017·Granted Sep 17, 2019·8 cites·9 claims
- 5088US10416086B2Image inspection deviceKEYENCE CO LTD·Filed 2018·Granted Sep 17, 2019·6 cites·18 claims
Showing the top 50 of 590 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when KEYENCE CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →