Map Database | TOYOTA MAPMASTER INCORPORATED（TMI）

Product & Service Overview

Building on our experience in producing map data for genuine car navigation systems, we have established a platform that delivers highly accurate, up-to-date digital maps. We provide the latest nationwide databases daily to leading automotive manufacturers and navigation system providers.

High-Quality Map Data with Superior Data Freshness, Verified On-Site

Intersections across Japan are surveyed on site and digitized.
Newly opened expressways are always verified on-site by our staff.
Major facilities are individually verified, down to precise navigation arrival points.
Road, search, and map-rendering data are kept fully consistent across the database.
Road, search, and map-rendering data are kept fully consistent across the database.

Continuously Expanding Content to Meet Evolving Societal Needs

Smart & Sustainable

Providing online access to EV charger location data, plug types, and real-time availability.
Safety & Security

Delivering real-time alerts for nearby emergency shelters during disasters and traffic regulation data to help prevent accidents.
Inbound & Diversity Support

Offering map displays and voice guidance in English, Chinese, and Korean, along with intuitive expressway numbering that is easy for all users to understand.

Three Reasons to Choose Toyota Mapmaster

Reason 1

A Proven Track Record with Leading Automakers and Accumulated Expertise

Since our founding in 1998, we have been closely involved in car navigation development, continuously expanding our content to enhance user satisfaction in line with changing times. As a result, our map database has been adopted by multiple leading automotive manufacturers. Drawing on the technical expertise cultivated over many years, we support each customer’s unique requirements for high-quality solutions.

Reason 2

Over 150 Core Content Types and an Industry-Leading Map Database with Superior Accuracy and Data Freshness

We maintain a portfolio of more than 150 map content elements—including regulatory information and building arrival points—spanning road data, search functionality, and map rendering. Through on-site surveys and rigorous validation by specialized staff, while optimizing data preparation efficiency, we deliver accurate, reliable, and up-to-date map data with nationwide coverage.
Furthermore, we prioritize the collection of high-demand, vehicle-centric data—such as parking facilities and charging stations—ensuring data freshness through daily updates.

Reason 3

Dedicated Support Rooted in the Automotive Industry

Maps are a critical component of vehicle manufacturing. To match the long product lifecycles of the industry, we provide stable, long-term support and a consistent data supply.
We prioritize service continuity above all else. We do not make unilateral specification changes or discontinue features currently in use by our customers at our own discretion, ensuring a reliable and worry-free environment for long-term deployment.

Use Cases for Our Map Database

Our map database is utilized across a wide range of applications, including the following

For Car Navigation

Since our founding, we have built a wealth of expertise in producing map data specifically for car navigation systems. We enable safe, secure, and comfortable driving experiences by providing high-precision, up-to-date map data with nationwide coverage, backed by dedicated, continuous support.
Our commitment to map database quality, seamless compatibility with in-vehicle systems, and a robust support framework has led multiple automotive manufacturers to adopt and utilize our solutions.
For Driver Assistance

In addition to traffic regulation data, we provide specialized content that serves as foundational data for driver assistance systems. This includes lane connectivity, which maps lane-level connections and lane marking attributes; curvature, which quantifies the sharpness of road bends; and longitudinal gradient, which indicates whether the road slopes upward or downward in the direction the vehicle is traveling. These datasets form an essential base of data, enabling the advanced functionality required for driver assistance systems.
For Analytics

We provide facility data with diverse attributes, such as category and brand information, along with road data including traffic regulations like stop signs. Our customers leverage these datasets for analytical purposes in product development and accident prevention initiatives, such as mobility and driving behavior analysis.