Inventor
MISUMI FUMIHIKO
JP3 patents
Patents
3 patentsUS5026978AJun 25, 1991
Photoelectric switch having pulse driver circuitry
OMRON TATEISI ELECTRONICS CO22 citations89
US5142416AAug 25, 1992
Reflection-type photoelectric switch, fresnel lens and method of manufacturing said lens
OMRON TATEISI ELECTRONICS CO20 citations77
US7348537B2Mar 25, 2008
Multi-optical axis photoelectric sensor system
OMRON TATEISI ELECTRONICS CO7 citations71