Hiroyuki Inoue

Hiroyuki Inoue is chairperson of steel maker Yamato Kogyo, which his father Asaji founded in 1944.

The firm, based in the western Japan city of Himeji, is an electric arc furnace operator and maker of structural steel and rail and switches for railroads, including for Japan's famous Shinkansen bullet train.

The company posted over $1 billion in revenue in the fiscal year ended in March 2025.

Yamato Kogyo, which earns a majority of its sales from overseas, has plants or joint ventures in South Korea, Thailand, Vietnam, Indonesia and the U.S.

In 1962, it listed on the First Section of the Tokyo and Osaka stock exchanges.