The Oshinkan dojo-school was founded in 1992. This association is ruled according to the “1901 law” system and is committed to promote both Japanese martial arts and Japanese culture.

Such priceless legacy is introduced through the study of martial traditions, among which Toda-ha Bukô-ryû (戸田派武甲流), Tatsumi-ryû heihô (立身流兵法), Negishi-ryû (根岸流), Shindô Musô-ryû (神道夢想流), and through calligraphy practice, called  shodô (書道).

Hoplology, i.e. the science studying the evolution of the human fighting behaviour, combat techniques and the cultures from which they come are also taught.

These different martial traditions are taught in Oshinkan by Pierre Simon Iwao under various forms : practice either with or without a weapon, either alone or with a practicing partner, using either the same weapon, or a different one. The practice may be held either inside, or outside the dojo.

Calligraphy and sumi-e are taught by Claire Seika.

Theoretical courses as well as specific trainings and practices focused on targeted themes are regularly organised.