1961SeptemberEstablished Chihara Resistance Factory (Tokyo) to manufacture and sell power type wire wound resistors

1964SeptemberReorganized to Chiba Ohm Co. (Tokyo)

OctoberEstablished new Yuzawa plant in Yuzawa city, Akita

1982NovemberStarted manufacturing power transformers. Acquired UL certificate

1984MayMoved Yuzawa factory to a newly constructed factory in Fukabori, Yuzawa city, Akita

1992AprilMerged with KHS Co.,Ltd to strengthen management base

1994AprilStarted manufacturing wire and pipe electrodes for electrical discharge machining

1999JuneAcquired ISO9002 certificate

2000FebruaryCanceled merging with KHS Co.,Ltd, established Chiba Techno Co.,Ltd

2002FebruaryObtained approval of Small and Medium Enterprise Innovation Plan

2003JuneDeveloped and commercialized coated wire electrodes with Small and Medium Enterprise Innovation Support grant

2004MayAcquired ISO9001 certificate (wire electrodes department)

2006MarchAcquired ISO14001 certificate (all departments)

2008MayKatsunori Chiba is appointed Representative Director and President

DecemberAcquired additional ISO9001 certificate in the large-sized ceramic resistor department

2011AugustReceived the “Excellent Small and Medium Enterprise in Akita prefecture in 2001” award from Akita prefecture

2012OctoberOpened Nagoya Sales office

2016SeptemberMarked the 55th anniversary

2018FebruaryExpansion of Yuzawa plant