Even after retiring as a director in 1969, he has supervised "Jump Out! Youth" and "We Are Youth!". Regarding the solid craftsmanship, producer of Toho, who has often appointed Chiba since the disappearance of the Nanpo movie, has a lot of trust, and Chiba after transferring to Toho is indispensable for Fujimoto's production work, became director after recovering his health. When Fujimoto compared Toho's film director to the batting order of the baseball team around 1964, Chiba was also listed as the number one batter in the 1st Army.