Although he studied calligraphy under Homei KAN during his stay in Tang, he had already been known as Noshoka in Tang; Kukai was greatly influenced by Xizhi WANG.
書道は在唐中、韓方明に学んだが、唐の地ですでに能書家として知られ、殊に王羲之の書風の影響を多く受けた。