Generally, scholarships follow your admitted degree program, so funding can apply across STEM and non-STEM fields. Kyoto University spans humanities and social sciences (e.g., Letters, Law, Economics) and STEM (e.g., Science, Engineering, Informatics, Agriculture), plus professional/health fields (Medicine, Pharmaceutical Sciences, Public Health).
Medicine: Kyoto University has a Faculty/Graduate School of Medicine, and MEXT even explicitly lists longer scholarship durations for medicine-related undergraduate tracks. That said, Kyoto University also cautions that, outside designated English-taught programs, undergraduate classes are generally in Japanese—so medicine is typically most realistic for international students at the graduate/research level unless you have strong Japanese.
Engineering: Kyoto University highlights an English-taught undergraduate degree option in Civil Engineering, and engineering is also a major graduate pathway.
Business: Kyoto University includes Economics and a Graduate School of Management, where scholarship options may be available depending on route and timing.