創業者・原田源が1950年に銅板の事業をスタートさせたことに始まります
株式会社原田伸銅所の創立
埼玉県蕨市に工場建設 銅板の製造販売を開始
昭和27年ごろの圧延
Established Harada Metal Industry Co., Ltd.
Constructed a factory in Warabi-shi, Saitama Prefecture, and started the manufacture and sales of copper plates.
埼玉県戸田市へ移転 りん青銅板・条の製造を開始
Moved to Toda-shi, Saitama Prefecture.
Started the manufacture of phosphor bronze plates and strips.
名古屋営業所開設
Opened Nagoya sales office.
JIS表示許可認証
Became a JIS Mark certified factory.
笹目工場新設(現在は仙台工場に集約)
我が国初の長尺巻取りインゴット化を実現
Built Sasame Factory (currently consolidated into Sendai Factory).
Produced Japan's first long ingot coils of phosphor bronze.
代表取締役社長に原田英雄が就任
冷間可逆4段圧延設備を導入 一貫広幅長尺工程へ移行
Appointed Hideo Harada as President.
Introduced a 4-high reversing cold rolling mill. Started a continuous wide-width and long-length process.
生産工程管理のコンピュータオンラインシステム導入
Introduced an online computer system for production process control.
製品スリット事業開始
Started products slitting business.
仙台工場第一期工事完成
新設溶解・鋳造工程稼働
Completed Sendai Factory first-stage construction.
Started operation of the new melting and casting line.
轟事業所完成 HOT-DIPすずめっき事業開始
Built Todoroku Factory.
Started HOT-DIP tinning business.
仙台工場第二期工事完成
新設焼鈍・圧延工程稼働
ISO9002認証取得(現在ISO9001:2015)
Completed Sendai Factory second-stage construction.
Started operation of the new annealing and rolling mill line.
Obtained ISO 9002 certification (currently ISO 9001:2015).
仙台工場第三期工事完成
新設連続焼鈍・仕上圧延工程稼働
Completed Sendai Factory third-stage construction.
Started operation of the new continuous annealing and finish rolling mill line.
ISO14001:2004認証取得(現在ISO14001:2015)
Obtained ISO 14001:2004 certification (currently ISO 14001:2015).
本社社屋竣工
完成した本社オフィスビル。
代表取締役社長に原田真理生が就任
Appointed Mario Harada as President.
仙台工場第四期工事完成
新設スリッター・自動倉庫稼働
Completed Sendai Factory fourth-stage construction.
Started operation of the new slitting line and automatic warehouse.
中国販売会社:原田伸銅商貿(深圳)有限公司設立
Established Harada Metal Industry (Shenzhen) Co., Ltd. in China.
地域未来牽引企業選定(経済産業省)
Selected as a Driving Company for the Regional Future by Ministry of Economy, Trade and Industry.
可逆式冷間20段圧延機導入
Introduced a 20-high reversing cold rolling mill.
IATF16949:2016(仙台工場、轟事業所)認証取得
Obtained IATF 16949:2016 certification (Sendai Factory, Todoroku Factory).