- 1980 Certification as a Dental Technician, Ehime
- 2001 Head of VOCE Ceramist Club
- 2006 Head of VOCE C.C Claymore
- 2007 Open BeR (art & experience) in Shinjuku, Tokyo
- 2002 Certification as a photo instructor of Dental Photoclub
- 2006 A member of 'art & experience ', chaired by Mr. Claude Siever.
- Certificated a CAMLOG implant instructor.
- Advisory staff of D.F.S.
- 2007 Certification as a Masterlab of VITA
- 2008 Nominated BEGO Crown Bridge Ambassador
- 2009 Certified trainer of Japan Academy of Esthetic Dentistry
- 2010 Artex - AmmanGirbach instructor, HAKUSUI
- 2011 Technical instructor of CEREC, Sirona
- 2011 TESCO instructor
- 2013 Certification as a VITA International Speaker
- 2015 Certification as an Active Members of International Academy for Digital Dental Medicine
Over 100 articles have been contributed in Dental magazines both in Germany and Japan, for example 'QZ - Germany 'and 'QDT – Japan '.