Arai Ryoichiro (新井 領一郎) (August 31, 1855 – April 10, 1939) was a Japanese businessman. He helped to build trade relationships between the United States and Japan, especially in the silk industry.
Arai Ryoichiro (新井 領一郎) (August 31, 1855 – April 10, 1939) was a Japanese businessman. He helped to build trade relationships between the United States and Japan, especially in the silk industry.