Mr. Leo Yao, founder of Atech Totalsolutions Co., Ltd., who also established Stone Technology International Corp. in 1980, a company focused on the development of laptop computers. They were also the first to lead the industry in setting up a warehouse in Hamburg, Germany to manage the entire distribution process. In the light of the future popularity and trend towards hand-held products, Mr. Yao decidedly gave up the main-stream OEM business in Taiwan, and teamed up with experts in notebooks and hand-held products. The three primary elements of their innovations are: 1. Ni-MH & Lithium batteries, 2. EL and LCD Flat Panel, 3. Serial Flash Memory and Micro Controller.

During the past 20 years, undeterred, they persevered toward the realization of their goals from their innovations.

In 1993, Stone Technology International Corp. invented the world's first Serial Flash Memory Card,, and it was named the Media Stick. Two years later, Sony followed our initiative and concept, and announced it's own version - the Memory Stick.

In the years following, Stone Technology also released the Micro Disk, Mini Disk Flash Card, leading to the Digital Recorder, Home Messenger, Digital Camera, Talk & Play (hand-held game) and other successful consumer products. In 1998, Stone invented the worldwide-patented UDisk and mUDisk Flash Cards.

In 2000 , Mr Yao rationalized that the Information industry would soon face another turning point, and thus re-organized the core of his business. Firstly, he moved staff and R&D members back to Taipei from Silicon Valley, then spin-off the R&D division from STONE, established Atech Totalsolution Co., Ltd, and grouped a R&D team in Shanghai, China. Gathered talents in flash memory , I/O interface, ASIC and mechanical design.

Atech delivered CompactUDisk(CUD) in April 2003, a unique solution that fixed the shortcomings of other cards while covering their advantages.