Iinuma
Iinuma is a Japanese surname. It is a relatively common surname in Japan. The kanji characters that form the name often translate to "round field" or "flat field," reflecting a possible origin related to agricultural landscapes. As with many Japanese surnames, Iinuma can be found across various regions of Japan. Individuals with this surname have contributed to diverse fields, including sports, arts, and academia, though no single prominent figure universally defines the name. Genealogical research can trace the origins of specific Iinuma families, often revealing connections to historical periods and geographical locations within Japan. The prevalence of the Iinuma surname fluctuates, with demographic shifts influencing its distribution over time.