How many movies have Satoshi Kon and Takashi Sasaki collaborated on?

They have worked on 2 movies together! Their first movie together was Roujin Z (1991) while their highest rated movie together was Patlabor 2: The Movie (1993). They have not worked together since Patlabor 2: The Movie (1993).

Patlabor 2: The Movie (1993)

Crew
Decorator
Crew
Animation Supervisor

Roujin Z (1991)

Crew
Art Designer
Crew
Key Animation
Crew
Key Animation