This is the 6773rd most frequent French word.
kurosawa
The word "Kurosawa" is not French; it is a Japanese surname, most famously associated with filmmaker Akira Kurosawa.
Here, 'Kurosawa' is used as a proper noun referring to the renowned Japanese filmmaker Akira Kurosawa.
J'admire les œuvres de Kurosawa.
I admire Kurosawa's works.
In this sentence, 'Kurosawa' continues to be a proper noun mentioning the stylistic contributions of Akira Kurosawa.
Le style de Kurosawa est très influent dans le cinéma moderne.
Kurosawa's style is very influential in modern cinema.
The word 'Kurosawa' here points to the subject of the documentary, again referencing Akira Kurosawa.