As a result of scientific research, he has so far published 97 scientific papers, of which 24 are cited in CC and SCI databases, 5 in secondary databases, and 68 at international and domestic conferences. He also published 27 professional works (5 chapters in a book, 11 professional articles in magazines, and 11 papers at international and domestic conferences). Until now, prof. Ph.D. Igor Majnarić participated in a series of professional educations and has mastered the skills of working in numerous printing technologies. His professional activity also includes his work at the Croatian Standards Institute, where he is the current chairman of the technical committee TO 130 (Graphic Technology) and a member of the technical committee TO 6 (Paper, Cardboard, and Pulp). Since 2009, he has held the position of ADE (Apple Distinguished Educator) to implement Apple computers in the education of students at higher education institutions. He is an authorized ERBD consultant in the field of graphic technology. Since April 10, 2022, he has been a trusted PSO partner of the FOGRA Institute and a consultant for insight into standardization in offset printing. He is a member of the Croatian Society for Materials and Tribology (HDMT), the Croatian Society of Graphic Designers (HDG), the Croatian Association of Screen Printers and Digital Printers - FESPA Croatia and the Croatian Association for Paints (HUBO). English is actively used.