Company Outline｜Toyota Technical Development Corporation (TTDC)

Company name	Toyota Technical Development Corporation (TTDC)
Headquarters	1-9 Imae, Hanamoto-cho, Toyota, Aichi 470-0334, Japan
Tel.	+81-565-46-7500 (main switchboard)
Founded	April 1, 2006
President	Yoshikazu Saeki
Capital	550 million yen
Equity ratio	100% held by Toyota Motor Corporation
Sales	19.5 billion yen (FY 2025)
Employees	1,064 (as of April 1, 2026)
Main customers	Toyota Motor Corporation, etc.
Main bank	Sumitomo Mitsui Banking Corporation

Business fields

Intellectual Property Solution (IP)	Patent searches and technical trend analysis Global filing and rights acquisition (patents, designs, and trademarks) Translation and interpretation
Measurement & Simulation (Keisoku)	Development and manufacture of measurement instruments and systems System and facility planning Proposal and provision of model-based development (MBD) solutions Calibration, inspection, and repair of measurement instruments Support for next-generation business development

President	Yoshikazu Saeki
Senior Managing Officer	Yukio Noda
Senior Managing Officer	Yoichi Funahashi
Director (part-time)	Naoki Hirate
Audit and Supervisory Board Member	Shintaro Nishiyama
Audit and Supervisory Board Member (part-time)	Hirotaka Takeda
Senior Corporate Officer	Noritaka Toyama
Corporate Officer	Keisuke Ishizaki