Obvious would be Otomo Yoshihide. Others include Philip Jeck, Erik M, Tsunoda Tsuguto, Martin Tetreault, Martin Ng (I think), etc.
Sydney-sider Martin Ng is excellent Oren Ambarchi & Martin Ng Reconnaissance Staubgold, Germany (CD/LP 2001) Jim Denley & Martin Ng http://www.grobcologne.de/Churchofgrob/CATALOG/Grob322/grob322.html -- jacques soddell lecturer in microbiology, pharmacy dept, school of health & environment la trobe university bendigo, po box 199, bendigo, victoria, 3552, australia. email: j.soddell@bendigo.latrobe.edu.au web page: http://ironbark.bendigo.latrobe.edu.au/~soddell radio program: possible musics - http://ironbark.bendigo.latrobe.edu.au/~soddell/pm.htm live music: undue noise - http://ironbark.bendigo.latrobe.edu.au/~soddell/un.htm