Can anyone see a way to contact the authors?

From a recent paper of theirs: shotaro@riec.tohoku.ac.jp ueno@riec.tohoku.ac.jp homma@riec.tohoku.ac.jp

Tim .... Tom Conte response Yes, we've done extensive work on this. Extending Moore’s Law via Computationally Error Tolerant Computing http://prod.tinker.cc.gatech.edu/pdfs2/taco18.pdf