the pinan kata were introduced into the school systems on okinawa in 1895, and were subsequently adopted by many teachers and schools in the 1900s. thus, they are present today in the curriculum of shitō-ryū, wadō-ryū, shōrin-ryū, kobayashi-ryū, kyokushin, seido juku, shinki-ryu, shōrei-ryū, shotokan, matsubayashi-ryū, shukokai, shindo jinen ryu, kosho-ryū kempo, kenyu ryu, kushin ryu and several other styles.