During this time, he worked on Bubblegum Crisis, producing the original Knight Saber character designs.
Gunsmith Cats is one of Sonoda's best known works, being both a Harvey[2] and Tezuka award nominee.
Sonoda concluded Gunsmith Cats' run in 1997, when he put the comic on hiatus, and began work on Cannon God Exaxxion.
He is currently the 19th head of the wagashi confectionery shop "Sonoda-ya" in Kumamoto, established in 1582.
Sonoda created a new product, its first in 115 years, by adding lemon peels to his family's existing chōsen-ame candies and providing his own bishōjo illustrations for the packaging.