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Corporate Information

Corporate History

Corporate Information

Corporate History



  Nov.   1946   Founder, Mr.Iwao Sakamaki, established SAKAMAKI IRON WORKS to produce wood working machinery.
  May   1949   Start of manufacturing of Hemp-textile Sewing Machines.
  Apr.   1951   The factory was transferred to Drill Chuck manufacturing.
  Jun.   1951   The organization was changed to a corporation, named SAKAMAKI MFG.  CO.,LTD.
  Oct.   1957   Nation-wide “YUKIWA” Group (Sales Network) was organized.
  Dec.   1957   Approval of JIS indication on chucks for portable electric power drills.
  Mar.   1962   Start of manufacturing of Collet Chucks.
  Oct.   1963   Approval of JIS indication on Drill Chucks for machine tools.
  Feb.   1965   Opening of Tokyo office.
  May   1965   Tap Chucks developed.
  Sep.   1966   Manual Index Tables developed.
  Nov.   1967   Automatic Index Tables developed.
  Jul.   1968   KAWAGUCHI FACTORY built.
  Jul.   1970   Start of manufacturing of Keyless Drill Chucks.
  Sep.   1971   Quick Chucks developed.
  Sep.   1972   Opening of Osaka office.
  Aug.   1975   Tap Holders developed.
  Jun.   1976   NC Rotary Tables developed.
  Nov.   1978   Start of manufacturing of Drill Chucks for Hobby-use.
  Aug.   1980   KOHWA SEIKI CO., LTD. established.
  Jan.   1982   Drill Mill Chucks developed.
  May   1983   Start of manufacturing of Duplex-holding Tools.
  Aug.   1983   KAINOSWA Factory built.
  Mar.   1984   Our Drill Chuck was equipped with Space Shuttle “Challenger” and has  been  used for space works.
  Oct.   1984   KAINOSWA Factory built more.
  Oct.   1984   Development of NC Coupling Index Rotary Tables.
  Dec.   1986   Pencil Mill Chucks developed.
  Sep.   1987   CNC Rotary Table SNC Series developed.
  Apr.   1988   Mr. Iwao Sakamaki assumes the chairman, and Mr. Kazuo Sakamaki assumes the president.
  Dec.   1988   Keyless Drill Chucks for cordless electric drills developed.
  Nov.   1989   Corporate name changed to YUKIWA SEIKO INC.
  Mar.   1990   Awarded with Economics Promotion Prize of Niigata Pref.
  Aug.   1990   Private Placement Bond issued.
  Aug.   1991   Opening of new Head Office & Factory
  Sep.   1991   Establishment of YUKIWA SEIKO U.S.A., INC. in North Carolina.
  Mar.   1992   YUKIWA INTERNATIONAL INC. established.
  May   1993   Opening of Nagoya office.
  Mar.   1994   Super G1 Chucks developed.
  Nov.   1995   CNC Rotary Table “YNC Series” developed.
  Sep.   1996   KAINOSWA Factory built more.
  Aug.   1997   Approval of ISO9001.
  Feb.   1999   New Drill Mill Chucks developed.
  Jul.   1999   All-metal Sleeve Keyless Chucks for Portable Drills developed.
  Oct.   1999   Shrink-fit-holders developed.
  Jan.   2000   Controller “BC1” for CNC Rotary Table developed.
  Feb.   2000   Awarded JSAI “Matsubara Invention Prize” for Keyless Drill Chucks with  Lock  
Device.
  Nov.   2000   Awarded “Technology Prize” of Niigata Prefectural Governor.
  Nov.   2000   CNC Tilting Rotary Table “TNT Series” developed.
  Apr.   2001   Awarded with Minister of Science and Technology at development of  industrial  
chucks.
  May   2002   KAINOSWA Factory built more.
  Jan.   2003   CNC Rotary Table “JNC Series” developed.
  Mar.   2003   Tokyo office - moving to the new location.
  Dec.   2003   Approval of ISO14001
  Nov.   2004   Direct Drive CNC Rotary Table developed.
  Jan.   2005   Hybrid G1 Chucks developed.
  Aug.   2006   Approval of ISO9001:2000.
  Apr.   2008   Approval of new JIS mark indication on Drill Chucks.
  May   2008   Kazuo Sakamaki, president, awarded “Medal with Yellow Ribbon” at  development of industrial chucks.
  Nov.   2008   Opening of YUKIWA SEIKO INC. SHANGHAI REP. OFFICE.
  Dec.   2009   Elected as one of 1400 Job-Creating Companies by Ministry of Economy, Trade and Industry.
  Aug.   2011   Green G1 Chucks developed.
  Oct.   2012   Green G1 Chucks win the "Good Design Award" by Japanese design promotion meeting sponsorship. Also elected as "Good Design best 100."
  Nov.   2012   Green G1 Chucks win the "Frontier Good Design Award." (The Award of President of Small and Medium Enterprise Agency)
  Nov.   2013   All stainless keyed drill chucks developed.
  Jul.   2014   Collet Chucks "A series and B series" developed.
  Nov.   2014   2nd factory at Head Office built.

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