ShoPro Books has been releasing the IDW series in Japan.
Interestingly, the "Mutant Turtles Vol. 1" trade not only includes IDW TMNT issues #1-4, but also Mirage TMNT Vol. 1 issue #1. Also, the trade with the first four IDW micro-series is called "Mutant Turtles: Omnibus". And there's a Japanese version of the Ult. Visual History book.