1976 - 1978
researcher for ARITMA PRAHA (development of analogue computers)

1978 - 1989
independent research centre of STRAKONICE Hospital (development of medical devices)

title "The Best Medical Inventor in Czechoslovakia" awarded by the Ministry for Health, Czechoslovakia

1990 - 1993
researcher for KRETZ TECHNIK (Austria) - development of medical ultrasound devices

1993 - now
own psychotronic clinic (activities stopped due to development of the ZERO technology)

1993 - now
own firm "Ing. Milan Hein" - development and research of protective and regenerative products

- more than 20 electronic patents (e.g. APNOEA MONITOR for infants, X-RAY synchroniser, etc. ...)