Inventor

IMURO YOSHIHIRO

JP5 patents

Patents

5 patents

US5689235ANov 18, 1997

Electronic security system

OPTEX CO LTD246 citations96

US6756910B2Jun 29, 2004

Sensor for automatic doors

OPTEX CO LTD69 citations93

US5334972AAug 2, 1994

Infrared intruder-detection system

OPTEX CO LTD31 citations89

US5812058ASep 22, 1998

Security sensor with built-in sight

OPTEX CO LTD18 citations82

US5489892AFeb 6, 1996

Infrared human detector not barred by an intervening obstruction

OPTEX CO LTD17 citations71