The detail in his drawings is painstakingly and beautifully executed, and his designs for his characters' attire in some of his works, is elaborate, rich and elegant.
His coloring style is almost exclusively realistic, unlike the vast majority of manga artists, who often resort to the use of non-natural colors for the hair or eyes of their characters, although with the publication of Saint Seiya Next Dimension volumes totally in color, the addition of new characters with non-natural hair colors occurs often. Certain graphics elements characteristic of his style can be found all over his works, mostly during fight sequences, having become widely known.
He agreed that his works Fūma no Kojirō, Saint Seiya, Ring ni Kakero and B't X were adapted to anime, to follow the long-time tradition of popular manga having an animated adaptation.
His drawing style is very classic, reminiscent from the manga/anime aesthetics more predominant in the 1960s and 1970s, albeit a constant flaw in his art is an inconsistent trace and proportion unbalance.
Female characters in his works mostly play a much lesser role, but several ones with key roles can also be found, such as Rei Kojinyama (Sukeban Arashi), Kiku Takane (Ring ni Kakero) and Saori Kido (Saint Seiya).
His male protagonists are a reflection of the classical and modern society's archetype of the true men.
Clamp was heavily influenced by Kurumada's works, and they began their career as manga authors creating doujinshi based on Kurumada's characters.
It is also known that anime adaptations aren't much to his liking, he prefers manga.
Some time later, he debuted as a professional manga artist in 1974 with his manga Sukeban Arashi, and achieved his first hit three years later when he started writing and drawing Ring ni Kakero, which brought him recognition as a popular manga author, and lasted five years, and he considers it his favorite creation.
A practicer of the martial arts in his younger days, the influence this has exerted on his various works is worthy of mention.