Eiko Koike. Actress: Seppun. Eiko Koike is a Japanese actress and former gravure idol. Her marriage's name is Eiko Sakata and her maiden name is Eiko Koike. She was born in Setagaya-ku, Tokyo. Her husband is Wataru Sakata, a professional wrestler. When Koike was a child, her parents ran a pachinko parlor founded by her grandfather. She graduated from Yosawa Elementary School in Setagaya Ward and Kudan Japanese and Western...