1981 – R&D Engineer  in  KOPORC Technical Ceramic Factory KOPORC.

1987 – Research of piezoelectric actuators

1989 – Official Specialist Developer of  Electromechanical Components G/1”

1990 – PhD Theses  „Test Method of Piezoceramic actuators” .

1991 – Part employment at  BME in piezoelectric investigations,

1992 – Participation in STM microscope construction and optoacustical research at BME

1992 – 1994 Laser optical development for medical applications

1998 – „Liquid Dispensing Apparatus”  (patent 6460980)

2015 – „Method and apparatus for dispensing liquid droplets” (patent 11945220)

„Industrial Printhead”(patent 11479035)

„System for  applying a masking material to a substrate”(patent 11207706)

„Method for Procucing a Digitally Printed Decorative Coating on a Solid Surface” (patent 20160075149)

2015 – Powder dispensing research for different technical applications.