Tokyo Gas was officially founded on October 1, 1885, by prominent Japanese industrialist and entrepreneur Eiichi Shibusawa alongside fellow pioneer Asano Sōichirō. The enterprise was established by successfully acquiring and privatizing the operational gas utility assets previously managed by the Tokyo Prefecture Gas Bureau. Eiichi Shibusawa, frequently celebrated as the father of Japanese capitalism, played a pivotal role in modernizing the nation's commercial economy by founding numerous foundational enterprises across banking, manufacturing, and utilities. Under their early leadership, Tokyo Gas expanded its infrastructure rapidly throughout the capital region, laying the groundwork for what would eventually evolve into one of the largest and most enduring energy providers in modern Japanese history.