Technique Selected as an effective and Serviceable method on the NETIS (New Technology Information System) Rumble Strips(327KB)(Japanese only) Kui Taishin-SSP(498KB)(Japanese only)
11th Infrastructure Technology Development Award (2009) CSG Dam(352KB)(Japanese only)
2nd Monodzukuri Nippon Grand Award (2007) Invairowan Method(2.13MB)(Japanese only)