Maeda Hironobu is listed as an inventor on the patent 'Mold Organic Binder And Molding Sand Composition And Mold Obtained Using Same.' While direct biographical and professional data is sparse, his patent activity indicates expertise in materials engineering, specifically in the development of novel binders and sand mold compositions for industrial casting and molding processes. His work likely involves research and innovation in chemical formulation and industrial applications within the Japanese manufacturing sector.