A particle counter housing for suppressing stray light(Patent Certificate)

A light modulation structure(Patent Certificate)

A light modulation structure using attenuation plates(Patent Certificate)

A particle counting system(Patent Certificate)

A continuous power supply circuit for semiconductor lasers(Patent Certificate)

A particle counter sensor testing fixture(Patent Certificate)

A structure for suppressing stray light(Patent Certificate)

A particle counter(Patent Certificate)

A particle counting sensor(Patent Certificate)

A scattered light collection and measurement component(Patent Certificate)

A particle counter(Patent Certificate)

A particle counter and its signal processing circuit(Patent Certificate)