He made a 10hr film criticizing Japan's role in WWII (based on the autobiography of Junpei Gomikawa ) titled The Human Condition 「人間の條件」, burning indictments of samurai code Harakiri 「切腹」 and Samurai Rebellion 「上意討ち 拝領妻始末」, and a collection of folk ghost stories called Kwaidan 「階段」 to name a few.
Basically if you like Kurosawa films but wish they were more critical of power, check this guy out
Dude also looks like a Japanese DeVito
I'll update this post with DLs for some of his films in 1080p once they're done uploading
o7