| Jan. 2010` Steering committee member of Micro nanobubble society | 
    
      | Nov. 2009` Registered to the Organization for Small & Medium Enterprises
      and Regional Innovation management support adviser | 
    
      | Jul. 2009` Registered to Kawasaki City small and medium-sized enterprise support
      center specialist | 
    
      | Jan. 2008` Screening committee of subsidy | 
    
      | Jul. 2007`Jun. 2009 Small and medium-sized enterprise exchange executive committee
      of IPEJ | 
    
      | Apr. 2007` Turbomachinery society of Japan | 
    
      | Dec. 2006` Japan technology transfer association | 
    
      | Oct. 2006` Science and technology judge center member of IPEJ | 
    
      | May 2006` Institution of professional engineers, Kanagawa-pref. | 
    
      | 2006 Technical textbook revision committee | 
    
      | 2006` Examination board of Institution of professional engineers, Japan | 
    
      | May 2005` Institution of professional engineers, Japan (IPEJ) | 
    
      | Oct. 2005` Consultant engineers association | 
    
      | Jun. 2005`May 2009 Meeting manager of mechanical department, IPEJ | 
    
      | May 2005` Institution of professional engineers, Japan (IPEJ) | 
    
      | Mar. 2005` ISO13709/API610 JWG | 
    
      | Sep. 2000`Mar. 2002 Committee of JIS revision original bill making committee | 
    
      | Apr. 1999`Mar. 2007 Committee of pump international standard (ISO TC115) council |