How many movies have Hochu Otsuka and Shigeru Chiba acted in together?

They have worked on 10 movies together! Their first movie together was Coo of The Far Seas (1993) while their highest rated movie together was Yu Yu Hakusho: Poltergeist Report (1994). They have not worked together since 宇宙戦艦ヤマト2199 第七章「そして艦は行く」 劇場先行上映 (2013). They are most known for their animation films together.