Control Engineering conducts periodic surveys of their subscribers, with an extensive set of questions about their experience with service, support, and product satisfaction with products in various categories. Yaskawa was voted #1 in AC Drives in 2004 and again in the consecutive survey in 2006. The only other AC drive company that scored higher than average is Allen Bradley. They moved from #2 in 2004 to #4 position in 2006.
Survey Results for 2004. By agreement with Control Engineering, the survey results can be viewed, but not printed.
Survey Results for 2006. Results can be viewed and printed (with watermark).