1949 – is founded the Physics Deparment of the Romanian Academy;
1950 – started the existence of the Institute as Physics Deparment of the Romanian Academy from Cluj;
1956 – in Bucharest Magurele Institute of Atomic Physics (IFA) is founded, and Department of Physics Academy of Cluj become a subsidiary of IFA Bucharest;
1970 – IFA Section Cluj gets legally autonomy under the name Institute for Stable Isotopes, with the main goals in R&D of heavy water technology, stable isotopes and design and manufacturing of scientific equipment for isotope applications;
1977 – Stable Isotopes Institute change his name to Institute for Isotopic and Molecular Technology ITIM Cluj-Napoca, unity with legal personality, under the authority of State Committee for Nuclear Energy;
1999 – through reorganization of ITIM Cluj-Napoca is founded the National Institute for Research and Development of Isotopic and Molecular Technologies INCDTIM Cluj-Napoca (HG 408/1999);
2005 – INCDTIM Cluj-Napoca is reapproved as a National R&D Institute (HG 1401/2005);
2008 – INCDTIM Cluj-Napoca is accredited and certificated as National Institute for Research and Development under the authority of Romanian National Authority for Scientific Research (ANCS Decision No. 9634/2008).
2009 – INCDTIM Certificat conform SR EN ISO/9001/2008 şi Laboratorul de Spectrometrie de Masa, Cromatografie și Fizica Ionilor – Acreditat conform SR EN ISO/CEI 17025/2005, Certificat Acreditare Nr. LI 1035/21.10.2014 emis de Asociatia de Acreditare din Romania– RENAR
2010 – sărbătoarea a 60 ani de existență;
2011 – evaluarea instituţională, se obţine calificativ A+;
2013 – INCDTIM Recertificat conform SR EN ISO/9001/2008;
2014 – Proiectarea și începerea construcţiei Centrului de cercetare şi tehnologii avansate pentru energii alternative – CETATEA;
– Laboratorul de Spectrometrie de Masă, Cromatografie şi Fizica Ionilor şi Laboratorul de Spectroscopie RMN, acreditat conform SR EN ISO/CEI 17025/2005, Certificat Acreditare Nr. LI 1035/21.10.2014 emis de Asociaţia de Acreditare din România – RENAR (recunoscută ca Organism de Acreditare prin OMIR 354/12.06.2003)
2015 – Finalizarea construcției Centrului de cercetare şi tehnologii avansate pentru energii alternative – CETATEA, achiziția și montarea echipamentelor.
Today INCDTIM, as a national institute with integral state capital, offers a wide range of R&D services and products, and by his human capital and scientific infrastructure INCDTIM occupies an important position among the most significant research institutes from Romania.