Eiken Co., Ltd. (株式会社エイケン) 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 ADK Emotions.
History
The studio was established as Television Corporation of Japan (日本テレビジョン株式会社) in 1952. It started off producing commercials before entering the anime industry with adaptations of Ko Kojima's Sennin Buraku and Mitsuteru Yokoyama's Tetsujin 28-go. Since then, it has co-produced (with TBS) numerous anime like Super Jetter, Space Boy Soran, Noboru Kawasaki's Skyers 5 and Sanpei Shirato's Sasuke.
In March 1969, TCJ manager, Shigeto Takahashi, along with the sales division, spun off from TCJ, to form Zuiyo Eizo. The animation division remained and spun-off itself to TCJ Video Center Co., Ltd (TCJ動画センター株式会社). The company struck gold with their anime adaptation of Machiko Hasegawa's long-running manga,