Gatebox Inc. is a Japanese company known for developing character-based AI communication devices, particularly its signature product, the Gatebox—a cylindrical display that enables users to interact with 3D virtual characters. Originally launched with the anime-style AI character Azuma Hikari, Gatebox integrates conversational AI, such as ChatGPT and GPT-4o, to enhance natural interaction. The company has expanded its offerings to AI-powered customer service solutions like "AI Kanji" and "AI Baito" for restaurants and retail, leveraging digital humans in real-world applications. Gatebox collaborates with companies like Sharp, NEC, and Asukanet on emerging technologies, including full-body holographic displays and metaverse experiences. Gatebox's role in events such as SHARP Tech-Day, Tokyo Game Show, and its partnerships with national initiatives demonstrates its position at the forefront of Japan's AI avatar and digital human ecosystem.