- Company is founded.
- The company is spun off from Universal Co., Ltd. to function as its engineering unit (Universal Giken).
- Company is incorporated.
- Universal Giken changes its name to Universal Hanbai (Universal Sales).
- Universal's development division is spun off as Universal Technos.
- Universal Hanbai buys out its mother company.
- Universal Technos buys out Universal Hanbai. The reunited company changes its name to Aruze and is listed on the JASDAQ stock exchange.