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Patent applications and USPTO patent grants for Takenaka Engineering Co., Ltd..The latest application filed is for "compound-eye crime prevention sensor system".
Patent | Date |
---|---|
Compound-eye crime prevention sensor system Grant 6,140,648 - Tsukamoto , et al. October 31, 2 | 2000-10-31 |
Passive type crime-preventing infrared sensor provided with a mechanism of monitoring an obstruction for the visual field Grant 4,982,094 - Matsuda January 1, 1 | 1991-01-01 |
Double eye type crime preventing sensor system Grant 4,618,854 - Miyake , et al. October 21, 1 | 1986-10-21 |
Optical system for intruder detecting device Grant 4,514,630 - Takahashi April 30, 1 | 1985-04-30 |
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