This list of companies in Kumamoto-ken with unknown owners includes a 有限会社リリーフエース. Alfa System is also based in Kumamoto, so that may have been the company's full legal name, but as I get no other hits for it I can't say for certain. --Dimitri (talk) 08:24, 26 April 2017 (CEST)
- Also, their logo is rather... unfortunate. Too bad we don't have a cleaner version for the page. --Dimitri (talk) 20:00, 27 April 2017 (CEST)