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1967DecEstablished by Kiyoshi Kawamura as a manufacturer of electric insulators.
1968MarStart of construction of first factory building at 330 Nishi-ogane , Yokkaichi, Mie Japan.
MayStart of business (May 10th)
1986DecCompletion of the second factory building in Yokkaichi.
1988FebIncrease of paid capital to ¥80,000,000.
1990NovInauguration of Kamiishizu Plant.
1992JanStart of manufacturing and sales of materials for TAB.
OctStart of OEM manufacturing of molded VT/CT.
1997FebStart of plasma treatment business.
2000 AugCompletion of expansion of the factory equipped with a cleanroom "class 1,000"
2003JulInauguration of Kazusa Plant.
2004NovISO14001 approval.
2005MayCompletion of new Yokkaichi factory and office building.
2006AprSelected as "300 of Japan's Dynamic Monodzukuri (Manufacturing) SMEs."
2008SepInnovation promotion at "Grant for practical application of industrial technology" was adopted by New Energy and Industrial Technology Development Organization.
ISO9001 approval ( Insulation Department)
2010Aug ISO9001 approval (Kamiishizu Plant)
2011Dec Sale of non-adhesive multilayered insulating material "Namli®"
2012Jan Sale of solvent-soluble transparent polyimide (KPI-MX300F)
2015 Sep ISO9001 approval (Yokkaichi Plant)
2017 Sep ISO9001 approval (Kazusa Plant, Laboratory)
2022 Mar Our greenhouse effect gas reduction targets toward 2030 were approved by Science Based Targets (SBT) initiative.