Eiken (studio)
Eiken Co., Ltd. is a Japanese anime studio in Arakawa, Tokyo, Japan. The company was formerly known as Television Corporation of Japan Co., Ltd. or TCJ before the sales division spun off to form Zuiyo Eizo. As a result, it changed its name in 1969 to Eiken. It is a wholly owned subsidiary of Asatsu-DK.
Source: Wikipedia
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