Assignee
OPTEX CO LTD
JP·127 granted patents·22 pending applications·1,904 citations·filing 1988–2025
Top patents by PatentIndex Score
149 records- 0195USD421229SLaser distance meterOPTEX CO LTD·Filed 1999·Granted Feb 29, 2000·54 cites·1 claims
- 0293US6756910B2Sensor for automatic doorsOPTEX CO LTD·Filed 2002·Granted Jun 29, 2004·69 cites·14 claims
- 0392US5689235AElectronic security systemOPTEX CO LTD·Filed 1996·Granted Nov 18, 1997·246 cites·6 claims
- 0491US6970085B2Door sensor and door equipped with such door sensorOPTEX CO LTD·Filed 2003·Granted Nov 29, 2005·85 cites·22 claims
- 0591US6791087B1Differential infrared detectorOPTEX CO LTD·Filed 2002·Granted Sep 14, 2004·45 cites·19 claims
- 0691US6782660B2Automatic door sensorOPTEX CO LTD·Filed 2002·Granted Aug 31, 2004·55 cites·17 claims
- 0791US6469625B1Security sensor having disturbance detecting capabilityOPTEX CO LTD·Filed 2001·Granted Oct 22, 2002·110 cites·13 claims
- 0889US11346977B2Security sensor deviceOPTEX CO LTD·Filed 2019·Granted May 31, 2022·4 cites·12 claims
- 0988USD795108SHuman body detectorOPTEX CO LTD·Filed 2016·Granted Aug 22, 2017·35 cites·1 claims
- 1088USD417165SInfrared rays sensorOPTEX CO LTD·Filed 1999·Granted Nov 30, 1999·34 cites·1 claims
- 1187US9341013B2Automatic door sensor deviceOPTEX CO LTD·Filed 2014·Granted May 17, 2016·18 cites·8 claims
- 1287US5703368APassive-type infrared sensor system for detecting human bodyOPTEX CO LTD·Filed 1996·Granted Dec 30, 1997·118 cites·6 claims
- 1385USD415442SIntruder detection sensorOPTEX CO LTD·Filed 1999·Granted Oct 19, 1999·28 cites·1 claims
- 1482US7259658B2Passive infrared sensor and obstacle detection system used in the sameOPTEX CO LTD·Filed 2005·Granted Aug 21, 2007·23 cites·18 claims
- 1581USD1003179SVehicle detectorOPTEX CO LTD·Filed 2021·Granted Oct 31, 2023·7 cites·1 claims
- 1681US4849635AIntruder perceiving apparatus by means of infrared detectionOPTEX CO LTD·Filed 1988·Granted Jul 18, 1989·46 cites·6 claims
- 1780USD854436SHuman body detectorsOPTEX CO LTD·Filed 2017·Granted Jul 23, 2019·20 cites·1 claims
- 1880US9528312B2Active object detection sensorOPTEX CO LTD·Filed 2015·Granted Dec 27, 2016·6 cites·12 claims
- 1979US7170403B2Tamper switch structure and security sensor including the tamper switch structureOPTEX CO LTD·Filed 2005·Granted Jan 30, 2007·15 cites·13 claims
- 2079US5996281ASafety auxiliary apparatus for automatic door assemblyOPTEX CO LTD·Filed 1997·Granted Dec 7, 1999·47 cites·12 claims
- 2179US5461231APassive type moving object detection systemOPTEX CO LTD·Filed 1994·Granted Oct 24, 1995·73 cites·7 claims
- 2278US9063243B2Object detection deviceOPTEX CO LTD·Filed 2013·Granted Jun 23, 2015·4 cites·9 claims
- 2378US6529129B1Security sensor having disturbance detecting capabilityOPTEX CO LTD·Filed 2001·Granted Mar 4, 2003·39 cites·19 claims
- 2477US7760336B2Laser area sensorOPTEX CO LTD·Filed 2008·Granted Jul 20, 2010·13 cites·20 claims
- 2577US6317040B1Intruder detecting method and apparatus thereforOPTEX CO LTD·Filed 2000·Granted Nov 13, 2001·31 cites·11 claims
- 2676USD537746SHuman body detectorOPTEX CO LTD·Filed 2004·Granted Mar 6, 2007·21 cites·1 claims
- 2771US7940178B2Laser area sensorOPTEX CO LTD·Filed 2008·Granted May 10, 2011·6 cites·10 claims
- 2871US6919567B2Active infrared sensorOPTEX CO LTD·Filed 2003·Granted Jul 19, 2005·24 cites·8 claims
- 2971US6414314B1Passive-type infrared detector with elongated detection areasOPTEX CO LTD·Filed 2000·Granted Jul 2, 2002·21 cites·12 claims
- 3071US5055685AInfrared detecting apparatusOPTEX CO LTD·Filed 1989·Granted Oct 8, 1991·30 cites·5 claims
- 3170US7164119B2Security sensor systemOPTEX CO LTD·Filed 2005·Granted Jan 16, 2007·6 cites·4 claims
- 3270US6943685B2Intrusion detecting deviceOPTEX CO LTD·Filed 2003·Granted Sep 13, 2005·29 cites·6 claims
- 3369USD862266SHuman body detectorOPTEX CO LTD·Filed 2016·Granted Oct 8, 2019·13 cites·1 claims
- 3469US7167008B2Microwave sensor for object detection based on reflected microwavesOPTEX CO LTD·Filed 2005·Granted Jan 23, 2007·9 cites·8 claims
- 3569US6812837B2Automatic door sensor and automatic door system equipped with this sensorOPTEX CO LTD·Filed 2002·Granted Nov 2, 2004·18 cites·25 claims
- 3669US6750441B2Sensor for automatic doorsOPTEX CO LTD·Filed 2002·Granted Jun 15, 2004·17 cites·2 claims
- 3768USD1099719SHuman body detectorOPTEX CO LTD·Filed 2025·Granted Oct 28, 2025·0 cites·1 claims
- 3868USD1003180SObject detection deviceOPTEX CO LTD·Filed 2022·Granted Oct 31, 2023·4 cites·1 claims
- 3968US9328548B2Object detection system having an adjuster for setting an operating condition including adjustment of the detection area of a sensor sectionOPTEX CO LTD·Filed 2014·Granted May 3, 2016·5 cites·6 claims
- 4068US8835855B2Sighting device and security sensor system utilizing such sighting deviceOPTEX CO LTD·Filed 2012·Granted Sep 16, 2014·2 cites·8 claims
- 4168US7760088B2Intrusion detection sensorOPTEX CO LTD·Filed 2006·Granted Jul 20, 2010·6 cites·24 claims
- 4268US7256376B2Microwave sensor and mutual interference preventing system between microwave sensorsOPTEX CO LTD·Filed 2005·Granted Aug 14, 2007·8 cites·20 claims
- 4368US7176829B2Microwave sensorOPTEX CO LTD·Filed 2005·Granted Feb 13, 2007·6 cites·4 claims
- 4467US9733358B2Laser scanning sensorOPTEX CO LTD·Filed 2013·Granted Aug 15, 2017·3 cites·8 claims
- 4567USD696224SWireless video intercomOPTEX CO LTD·Filed 2012·Granted Dec 24, 2013·20 cites·1 claims
- 4667US7536253B2Traffic monitoring apparatusOPTEX CO LTD·Filed 2005·Granted May 19, 2009·8 cites·8 claims
- 4766US7271722B2Security sensor device having optical axis adjustment capabilityOPTEX CO LTD·Filed 2005·Granted Sep 18, 2007·4 cites·4 claims
- 4866US7196330B2Passive infrared sensorOPTEX CO LTD·Filed 2005·Granted Mar 27, 2007·5 cites·15 claims
- 4966USD525160SController for television surveillance systemOPTEX CO LTD·Filed 2004·Granted Jul 18, 2006·15 cites·1 claims
- 5066US6807360B1Digital image recording systemOPTEX CO LTD·Filed 2000·Granted Oct 19, 2004·10 cites·6 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →