$GI attempted to trademark Namu Myoho Renge Kyo.

"In January 1972, the Soka Gakkai, at the request of its President, Mr. Daisaku Ikeda, filed several patent applications at the National Office of Industrial Property, concerning the trade mark “Namu Myoho Renge Kyo.” The publication, in the Official Journal of the Japanese filing of this mark, is dated June 20, 1974. Complaints were filed by organizations affiliated with the School Minobu and other Nichiren Shu affilliates, who also recite Namu Myoho Renge Kyo, Rissho KOSEIKAI MYOCHIKAI Kyodan of Tokyo, the MYODOKAI Kyodan, DAIHEKIKAI Kyodan of Osaka. The approval was canceled on May 20, 1977. It is ‘worth noting that the Soka Gakkai filed 17 other brands “trademark” as “Shohondo”, “Dainippon Komeito,” “From Nichirenghe Zan”, the ancient name of Mount Fuji, etc.. 

Extracted from the French magazine “Le Bouddhisme de l’Ecole Fuji”, No. 17 December 1992 – Part following the No. 15, in turn, translated from “Nichiren Dai” – November 1992 (from a footnote on the page text of the 41 ° course held in the Great Hall of the Reading Taisekiji)