Since 1956 , Chiba became an exclusive director at Toho for "Oban" series, which is a record of the market price of real stocks, ""Demon Fire"", "Shitamachi (downtown)" of the short series "Diamond Series", In addition, he will mass-produce hit works such as ""Honkon no yoru"" and ""Honolulu, Tokyo, Hong Kong"" starring Chinese superstar Lucilla You Min, which was created to produce Lee Kaoran after the war. In 1969, Chiba suffered from a heart attack while directing ""Mito Komon Manyuuki"" starring , and retired as a movie director. He has supervised series such as the TV Seishun Gakuen series "What's The Youth" (produced by Toho Co., Ltd., broadcast by ), which started in 1965. From this series, Takeshi 'Ken' Matsumori, Susumu Kodama, Susumu Takebayashi, Masahiro Takase, Mikio Komatsu and other disciples made their directorial debut.