Michio Arai, son of founder Hirotake Arai, is still heavily involved with the company. He comes in at 7 a.m. and sits at a desk the same size as all the other office employees, then leaves at 7 p.m., five days a week.

Michio Arai, son of founder Hirotake Arai, is still heavily involved with the company. He comes in at 7 a.m. and sits at a desk the same size as all the other office employees, then leaves at 7 p.m., five days a week.