WebMar 31, 2023 · Komatsu Ltd. Established. May 13, 1921. Head office. 2-3-6, Akasaka, Minato-ku, Tokyo 107-8414, Japan. > Map. *we accept inquiries through our website inquiry. [Temporary relocation of headquarters] Relocation period: January, 2024 – December, 2026 (planned) Location: Shiodome Building, 1-2-20, Kaigan, Minato-ku, Tokyo. Learn more.