Generative AI for Visual Intelligence: A Patent Analysis of OpenAI’s Systems and Methods for Hierarchical Text-Conditional Image Generation - US 11,922,550 B1. PIJBAS [Internet]. 2026 Aug. 5 [cited 2026 Aug. 25];3(2):77-106. Available from: https://www.poornaprajnapublication.com/index.php/pijbs/article/view/228