ATR

URL http://www.atr.co.jp/
SegmentResearch
CityKyoto
CountryJapan

This site has no systems in the latest TOP500 list.

List Highest Rank Systems
1996/06 426 1
1995/11 290 1
1995/06 217 2
1994/11 158 3
1994/06 133 2
1993/11 82 2
1993/06 57 2