Assignee
TAKENAKA ENG CO LTD
JP·5 granted patents·128 citations·filing 1981–1998
Top patents by PatentIndex Score
5 records- 0177US4514630AOptical system for intruder detecting deviceTAKENAKA ENG CO LTD·Filed 1981·Granted Apr 30, 1985·33 cites·3 claims
- 0273US4618854ADouble eye type crime preventing sensor systemTAKENAKA ENG CO LTD·Filed 1983·Granted Oct 21, 1986·35 cites·4 claims
- 0367US4982094APassive type crime-preventing infrared sensor provided with a mechanism of monitoring an obstruction for the visual fieldTAKENAKA ENG CO LTD·Filed 1987·Granted Jan 1, 1991·31 cites·3 claims
- 0459US5060309AInfrared detectorTAKENAKA ENG CO LTD·Filed 1988·Granted Oct 22, 1991·22 cites·1 claims
- 0525US6140648ACompound-eye crime prevention sensor systemTAKENAKA ENG CO LTD·Filed 1998·Granted Oct 31, 2000·7 cites·3 claims
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