- 1984.8
- 
               
                  Shimane Masuda Electronics CO., LTD. established  with fund 10 million yen.
 
 
- 1985.10
- 
               
                Capital increased to 12 million yen.
                
- 1985.6
- 
               Production of GaAs MES FET low-noise semiconductor started.
                
- 1987.10 
- 
               Production of GaAs compound semiconductor started. 
- 1990.2 
- 
               Good-Quality-Monitoring Award given by a customer.
               
- 1993.8 
- 
               Capital increased to 15 million yen. 
- 1993.12 
- 
               Won Yutori-Souzou-Award  from Chairman, Labor Standards Bureau in Shimane Prefecture.
                
- 1995.8
- 
               Accredited with ISO9002 Certificate.
                
- 1997.8 
- 
               Capital increased to 18 million yen.
                
- 1999.9 
- Received honorable recognition of excellent workers from Assoc. for Employment of Disabled,Shimane. 
- 2000.1
- 
               Employee Stock Ownership Plan started. 
- 2000.8
- 
               Capital increased to 24.5 million yen.
                
- 2001.5
- 
               Yuzuru Ishikawa assumed President and CEO. 
- 2001.6
- 
               Capital increased to 66 million yen. 
- 2001.7
- 
               Factory newly built. Moved.
                
- 2001.7 
- 
               Capital increased to 133.5 million yen. Production of module products and composite parts started. 
- 2002.4
- 
               Full-scale entry into EMS (Electronic Manufacturing Service,---commissioned manufacturing of semiconductor) business. 
- 2003.4
- 
               Map QFN-package development started. 
- 2003.12 
- 
               To ISO 9001 year -2000 version. 
- 2004.3
- 
               Accredited with ISO14001 Certicicate. 
- 2004.10 
- 
               Letter Of Intent closed with US Applied Nanotech Holdings, INC.
                
- 2005.4
- 
               Mass production of module products started by using 0402-sized surface-mounted components. 
- 2005.10
- 
               A joint development agreement of nano-tech. products closed with ANI Company. 
- 2006.2
- 
               ASSY of mobile phones started/Commissioned manufacturing of security devices (IPS) started. 
- 2006.10
- 
               A license agreement closed with ANI Company concerning nano-tech. products. 
- 2006.10
- 
               CNT-applied development-articles presented at Nanotech in Dallas. 
- 2007.3
- 
               Production of articles in use of MAP QFN (SLP) 0.36 mm in thickness started. 
- 2008.5
- 
               Commissioned manufacturing of MEMS products started. 
- 2009.10
- 
               Won encouraging prize from Corporate Juridical Person Shimane Labor Standards Organization./25-th anniversary. 
- 2010.4
- 
               Started production of satellite-broadcast-oriented new package products(25 Mpcs/month). 
- 2010.6
- 
               Commissioned manufacturing of sensor products started.  
- 2011.9
- 
               Won the President's Prize of Corporate Juridical Person Shimane Labor Standard Organization. (The excellent Safety Officer Award) 
- 2011.10
- 
               Won the Prize of the Minister of Health, Labour and Welfare 
- 2011.11
- 
               Won the Appreciation Prize for employment support from Japan Self Defense Shimane Provincial Cooperation Office 
- 2012.6
- 
               Started production of electronic components for GPS-LNA 
- 2012.10
- 
               Won the President's Prize of Corporate Juridical Person Shimane Labor Standard Organization. (The excellent Health Officer Award) 
- 2013.1
- 
               Exhibited in IC Packaging Technology Expo 
- 2013.3
- 
               Overseas subsidiary company "SMET CO.,LTD" is established in Thailand 
- 2014.1
- 
               Won the Shimane Prefectural Governor Prize of KOKKORO COMPANY. 
- 2014.7
- 
               Our factory in Thailand startedof mass production. 
- 2014.7
- 
               Won the Prize of the Minister of Health, Labour and Welfare. 
- 2014.10
- 
               30-th anniversary. 
- 2015.3
- 
               Won the first prize of employment Shimane Ikiiki. 
- 2016.7
- 
               Acquired ISO 9001:'2008 Multisite in SMET. 
- 2016.9
- 
               Opened Kanto sales office. 
- 2016.10
- 
               Started IoT Masuda Alliance. 
- 2016.11
- 
               Made a contract for the supply of products with NEST. 
- 2017.7
- 
               Started a demonstration test of a water level sensor. 
- 2017.9
- 
               Acquired ISO/TS16949 certification. 
- 2017.12
- 
               Started shipment of products for NEST. 
- 2018.8
- 
               ISO9001/ISO14001 shift to 2015 year edition. 
- 2018.9
- 
               IATF16949 shift to 2016 year edition. 
- 2018.10
- 
               Won the encouragement prize in the safety and health award of the Prefectural Labour Director. 
- 2019.10
- 
               Futoshi Hiratani assumed President and CEO.