KIRIU, which will celebrate its 120th anniversary in 2026, has consistently anticipated changes of the times, continued to take on challenges in uncharted fields, and delivered new value to society. Today, it has grown into a core company within the Sumitomo Corporation Group’s automotive parts manufacturing business, becoming an automotive parts manufacturer that handles everything in-house—from development to casting and machining.
KIRIU’s core products are critical safety components related to brakes and suspension systems, which support the fundamental automotive functions of “turning” and “stopping.” By leveraging industry-leading product development and analysis technologies, KIRIU proposes optimally designed products that address issues such as brake noise reduction and weight savings. Furthermore, through stable high-quality manufacturing enabled by in-house developed production equipment and measurement systems, KIRIU has delivered “peace of mind,” “safety,” and “comfort” to customers.
In addition, under the manufacturing philosophy of “IKKI SEISAN”, which thoroughly eliminates waste from planning and design through production and shipment, KIRIU focuses on the flow of materials to standardize and harmonize equipment, processes, tools, and human skills. This approach enables KIRIU to deliver products with the same performance and the same quality worldwide. Across 16 sites in 8 countries, more than 6,000 employees take pride in their work and strive every day to develop and produce high-performance, high-quality products.
In recent years, the automotive industry has entered a once-in-a-century period of major transformation, driven by the fusion of digital technologies, advances in autonomous driving, and the electrification of vehicles. KIRIU continues to take on the challenge of developing and manufacturing high-functionality, high-quality products that respond to the evolving functions and mechanisms of automobiles. Going forward, KIRIU will keep delivering new value to customers worldwide and contribute to the advancement of the mobility society as a trusted and indispensable company for both customers and society.
Kazumitsu Takeoka President and Representative Director KIRIU CORPORATION