It's not sure when Japanese Kyujutsu was systematized as a "technique" not only because of the lack of clear records, but also partly because the use of the bow and arrow began in prehistoric times.
日本の弓術がいつ頃『術』として体系化されたか、また起源など弓矢の始まりが先史時代という事もあり明確な資料に乏しく定かにはなっていない。