In Hokkaido, deep fried chicken is called "zangi". Try your own style of zangi with a soy sauce and ginger base.
I learned about the ratio of katakuriko to flour on TV, and love it! The chicken turns out super crisp.
These are deep fried in 180°C oil; a trick to testing whether the oil is hot enough is to stick a pair of wooden chopsticks into the pot and if it bubbles, it's ready.
Enjoy Japanese food around the world.