[2] In 1961, as Harashima continued to play a central role in both the House of Councillors and the Tokyo Metropolitan Assembly, he also took part in the formation of the Komeito Political Alliance, the predecessor to the modern-day Komeito, serving as its founding chairman, and later on 1 July 1962, he assumed the role of Chief Secretary.

[3] In the 17 March 1964 issue of Soka Gakkai's newspaper, Seikyo Shimbun, the lead article was written by Harashima and was entitled "Method of Propagation Differs Outside Japan."

"[4] Eventually, on 2 November 1964, the Komeito headquarters (Komei Kaikan) were completed, and it was decided here that Harashima would become the first chairman of the political party that the group planned on launching soon.

Harashima and others met with President Ikeda on 16 November, where it was decided that the restoration of diplomatic relations with the People's Republic of China would be one of Komeito's primary policy goals at the outset.

[7] About a week prior to his death, he told his eldest son Takashi that he "doesn't need honour, nor a high position–—however, there is only one thing that I hope for, and that is to be a member of the magnificent Nichiren Shōshū.