Quick answer — Yasuyuki Ueda worked on Hellsing Ultimate (Producer), NieA_7 (Producer).
OP
Hellsing Opening
ED
Hellsing Ending 1
ED1Maria Yamamoto
Venus to Chiisana Kamisama
Frequently Asked Questions
What anime has Yasuyuki Ueda worked on?
Yasuyuki Ueda worked on Hellsing Ultimate (Producer), NieA_7 (Producer).