In the early Edo period, men of refined taste such as Nobutada KONOE and Enshu KOBORI, painters such as Tanyu Kano, Mitsuoki TOSA, Oukyo MARUYAMA, Buncho TANI, Aigai TAKAKU, and Chinzan TSUBAKI preferably used itoin as their own Rakkan-in (seal to be put on a piece of calligraphy by a calligrapher when the piece is completed).
江戸時代初期には近衛信尹や小堀遠州などの風流人が、画家では狩野探幽、土佐光起や円山応挙、谷文晁、高久靄厓、椿椿山などが好んで自らの落款印としている。