No, it is not. Never heard a Japanese person say "Huh?". They say "Ha?". Similar but not the same and used less often the English "Huh?" It's usually only used in a kind of extreme shock situation where as "Huh?" in English, or at least USA English, is way more common.
English
a) "Hello"
b) "huh?" (meaning I didn't hear you)
a) "I just said Hello"
Japanese
a) "I went to buy a car but I bought a camel"
b) "HA?" (WTF?)
a) "Yea, seriously. It drinks lots of water"