Kortov SV, Shulgin DB, Tolmachev DE, Yegarmina AD. Technology Trends Analysis Using Patent Landscaping. Econ Reg [Internet]. 2017 Sep. 18 [cited 2026 Jun. 4];13(3):935-47. Available from: https://economyofregions.org/ojs/index.php/er/article/view/2058