Certificate/Patent

Certificate

Certificate


Attestation

Attestation


Patent

Classification of application Number of aplication Appelleation of application
Patent 96-62126 The ultrasonic measuring apparatus of sound pressure on the tank.
Patent 96-62124 The auxiliary device of ultrasonic measuring of sound pressure on the tank
Patent 96-76967 The shadow mask cleaning apparatus equipped with the combination type ultrasonic oscillator
Patent 98-56286 The ultrasonic generator equipped with LCD module
Patent 99-02845 "Broum Tube" cleaning instrument
Patent 99-31976 The oscillating equipment for the ultrasonic cleaning equipment.
(the skill to prolong the life for low water consumption)
Patent 00-65653 Wafer cleaning equipment for low water consumption