Casio Logo — Casio Computer Co., Ltd. is a company that manufactures electronics, founded in 1946 and is headquartered in Tokyo, the capital of Japan. Casio is especially known for its calculators, but also by teams of audio, PDAs, digital cameras, electronic keyboards, watches, etc.
Tadao Kashio, founder of Casio Computer Co., Ltd., was born in Kureta-mura (now Nankoku) in Kochi Prefecture, Japan, in 1917. In 1923, after the Great Kanto Earthquake, Kashio whole family moved to Tokyo at the invitation of an uncle who worked there. After graduating from high school, Tadao began working as an apprentice lathe operator. The factory owner Tadao skills recognized and encouraged him to study at Waseda Gakko Koshu (now University of Waseda), while working at the factory. Meanwhile, Kashio gained experience in variety of jobs, making pots, pans and lamps for bicycles, and soon gained a good reputation that brought him to pieces subcontracts.
In 1946, Tadao established his own business called Kashio Seisakujo in Mitaka, Tokyo machines to repair stations airline tickets and repaired machines at the airport. At 30 years of age started in the world of technology, repairing machines that printed tickets at the airport in Tokyo after World War II. One day he took his workshop to repair a calculator used in the offices of the airport by the military in control of transport in Japan, was a large machine mounted on a wheeled table, like a beverage dispensing machine, with levers and mechanical keys, based on the first computer data that helped the Allies win the war.
In 1956 installed the first research and development of new technologies to apply to other needs of society, in 1969 invented the first quartz wristwatch with digital display LCD. “Liquid Crystal Display” or Liquid Crystal Display, small enough to hold it in the wrist, CASIOTRON. In 1970 with the benefits of research and development center, came several electronic devices that made Japan the most important center of development of modern electronic technology. Went on sale new pocket calculators, watches with timers and language translators, making Japanese society in the most advanced in the use of technology in the world.