Okay, I think I found his kanji name, based on the info found here on "Sekaiju no MeiQ² *shoou no seihai* Super Arrange Version" and this :
http://5pb.jp/records/release/detail...code=VGCD-0136
It's 鈴木克崇
And OCRemix agrees too (don't know if this is much of a guarantee, but still ^^) :
http://www.ocremix.org/composer/id/9...hitaka-suzuki/