Company Profile

Facing limitless challenges in the precision instrument industry


Since our business foundation,Komatsu Spring Industrial Co,Ltd.
grown steadily as Super precision spring manufacturer.
The company was founded in 1941 by Kenichi Komatsu at its current head office (Ota-ku, Tokyo) when he established Komatsu Seisakusho as a spring factory. Since then, we have been working consistently to produce springs.

Komatsu Spring Industrial Co., Ltd.
President and Representative Director Makiko Komatsu
In its early days, the company developed as a factory specializing in precision springs primarily for camera shutters. In response to the needs of different industries, we have gradually spread our sales channels to the following categories: optical instruments, medical equipment, clocks, electrical equipment, telecommunication equipment, office automation equipment, home appliances, automotive parts, jewelry, stationery, and other areas that use precision springs.
Our range of technology has also become even wider. We are particularly proud of our unrivaled ultra-precision spring technology.
Our products are made using facilities equipped with the latest models of manufacturing and inspection equipment and staffed by skilled engineers who turn clients’ blueprints into finished products of uniform quality and perfect precision, all while strictly adhering to deadlines and streamlining production.
We believe that our products will satisfy customers not only in Japan, but all over the world.

Under our management philosophy, “Be needed by the customers,” we will continue to work and study constantly in order to grow and earn the trust of our clients.