MTI, also known as MTI Ltd., is a publicly owned company headquartered in Japan. Founded in 1996, with approximately 200 employees, the company reported $200.0M in revenue as of 2025. It specializes in providing mobile phone content to consumers and managing mobile phone portal sites. The company offers music files under the "music.jp" brand, decoration mail materials, and comics. Additionally, it manages sites providing health management services, weather forecasting, navigation services, and social networking services.