How many movies have Tatsuya Tomaru and Tetsuya Nishio collaborated on?

They have worked on 7 movies together! Their first movie together was Ninku: Tomb of Knives (1994) while their highest rated movie together was Naruto Shippuden the Movie (2007). They have not worked together since Legend of the Millennium Dragon (2011). They are most known for their animation films together.

Legend of the Millennium Dragon (2011)

Crew
Animation Director
Crew
Character Designer

Naruto Shippuden the Movie: Bonds (2008)

Crew
Key Animation
Crew
Character Designer
Crew
Key Animation

Naruto Shippuden the Movie (2007)

Crew
Key Animation
Crew
Character Designer
Crew
Production Illustrator

Naruto the Movie: Legend of the Stone of Gelel (2005)

Crew
Animation Director
Crew
Character Designer
Crew
Animation Director
Crew
Key Animation

Naruto the Movie: Ninja Clash in the Land of Snow (2004)

Crew
Key Animation
Crew
Key Animation
Crew
Character Designer

Steamboy (2004)

Crew
Key Animation
Crew
Key Animation

Ninku: Tomb of Knives (1994)

Crew
Key Animation
Crew
Character Designer
Crew
Animation Director