Great thread! My favourite Japanese 'thrash' bands are: gudon, SOB, outo, lipcream, deadless muss, damnable excite zombies, slight slappers, nightmare, mutant, mind of asian, ghoul, zouo, gauze, gai, paintbox, dudman, googolplex, chicken bowels, unholy grave, asbestos, dead cops, inzest, warhead, judgment, LSD and the bones
check the japanese section on
www.7inchpunk.com. For an endless supply of top stuff.