1900 - 1949
Set up a machinery works at the Ashio Copper Mine and entered into the machinery business
Furukawa & Co. was founded. Shifted from private management to a corporate structure
Changed the organization to Furukawa General Partnership
Manufactured the first rock drill in Japan. The first domestic rock drill was developed at Ashio. Because imported rock drills were too large and difficult to handle, development of a small rock drill that could accommodate the physique of Japanese operators had been expected.
Spun off the mining business from Furukawa General Partnership and established Furukawa Mining Co., Ltd.
Furukawa General Partnership was merged with Furukawa Mining Co., Ltd. to form the basis of the current management
"Went semi-public Spun off the machinery business from Ashio Mining to establish Ashio Manufacturing