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TIER IV

Category: Robotics / Embodied AI

TIER IV is the developer of Autoware, the world's first and largest open-source operating system for autonomous driving, providing a full-stack software and hardware platform for autonomous mobility. TIER IV was founded in 2015. The company is led by Shinpei Kato. Based in Tokyo, Japan. Team size: 450. Total funding raised: $423.0M. Latest round: Strategic Investment (2025 by Toyota, Sompo) - Autonomous driving; last VC was Series B extension. Key investors include ["SOMPO Holdings","Yamaha Motor","Bridgestone","Isuzu Motors","Suzuki Motor","Sony Innovation Fund","Mitsubishi Electric","KDDI","JAFCO","UTEC"].

Founded
2015
Headquarters
Tokyo, Japan
Team size
450
Total funding
$423.0M

Value proposition

Promotes the 'democratization' of autonomous driving by offering an open-source alternative to proprietary systems, reducing development costs and accelerating time-to-market for global partners.

Products and solutions

["Pilot.Auto (Autonomous driving software platform)","Web.Auto (Cloud-based DevOps and simulation platform)","Autonomous EV Minibus (Japan's first mass-produced L4-capable bus)","C1 & C2 HDR Cameras (Automotive-grade specialized sensors)","Sensor Fusion Development Kit"]

Unique value

Pioneered the 'Open Source AD' movement via the Autoware Foundation, creating a global standard that challenges the closed ecosystems of traditional tech giants.

Target customer

Automobile manufacturers (OEMs), logistics companies, mobility-as-a-service (MaaS) providers, and smart city developers.

Industries served

["Automotive","Logistics & Warehousing","Public Transportation","Smart City Infrastructure"]

Technology advantage

Focuses on 'Physical AI' (Autonomous Driving 2.0), integrating Large Language Models (LLMs) and End-to-End machine learning to enable vehicles to handle complex, unpredictable real-world environments without relying on rigid, rule-based programming.

How they differentiate

TIER IV differentiates through the 'democratization' of autonomous driving, leading the world's first open-source OS (Autoware). Unlike closed systems, it offers a 'Red Hat' business model with a production-ready software stack (Pilot.Auto) and a DevOps platform (Web.Auto), while pioneering 'Physical AI' that integrates LLMs and end-to-end machine learning to handle complex real-world environments.

Main competitors

["Baidu Apollo","NVIDIA DriveWorks","Waymo","Mobileye","comma.ai"]

Key partnerships

["The Autoware Foundation (Founding member)","Strategic Investors: Isuzu, Suzuki, Yamaha Motor, SOMPO, Sony Innovation Fund","Tech/Distribution: Macnica, Bridgestone (Tirematics integration)","Turing Drive (Taiwan expansion)"]

Notable customers

["Isuzu Motors","Suzuki Motor","JR Central","Yamaha Motor","Bridgestone","Mitsubishi Electric"]

Major milestones

["Founded in 2015 to commercialize university-born autonomous driving research.","Launched the Autoware Foundation in Dec 2018 to manage the open-source software stack.","Achieved a ¥11.3B Series A funding round in Jul 2019 led by SOMPO.","Selected for the ¥25.4B NEDO Green Innovation Fund project in 2022.","Obtained Japan's first Level 4 autonomous driving certification for public roads in 2024.","Formed a strategic capital and business alliance with Central Japan Railway Company (JR Central) in Jan 2025."]

Growth metrics

Software installed in over 30 vehicle models across 20+ countries, with more than 500 companies adopting the platform. Achieved Japan's first Level 4 autonomous driving certification for general roads.

Market positioning

Global orchestrator and ecosystem leader of open-source autonomous driving software.

Geographic focus

Japan (primary), Asia-Pacific (notably Taiwan), and North America.

Patents and IP

Holds proprietary intellectual property in automotive sensing (HDR camera tech) and safety validation tools, while maintaining thousands of open-source contributions to the Autoware ecosystem.

About Shinpei Kato

Shinpei Kato is a renowned pioneer in autonomous driving, having led the development of Autoware, the world's first open-source software for autonomous driving. He is a Specially Appointed Professor at the University of Tokyo and the founding chairman of the Autoware Foundation. His academic pedigree includes postdoctoral fellowships at Carnegie Mellon University and the University of California, and he previously served as an Associate Professor at Nagoya University where Autoware was born.

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