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KOA株式会社
6999
TYO
Japan
抵抗器の製造・販売
温度センサ・サーミスタの製造・販売
ヒューズ・バリスタの製造・販売
LTCC配線基板・ハイブリッドICの製造・販売
インダクタの製造・販売
宇宙開発用抵抗器の製造・販売
気流計測システムの製造・販売
シャント電流センサの製造・販売
硫化反応チップの製造・販売
チェック端子・取扱商品の製造・販売
製品情報・技術サポート・FAQの提供
各種電子部品の開発・製造・販売
電子部品（抵抗器、インダクタ、ヒューズ、バリスタ、LTCC配線基板等）の製造・販売
設計支援ツール・技術サポートの提供
アプリケーションガイドの作成・提供
CSR活動（循環型地域社会のモデルづくり、リサイクルシステム研究会等）
本社（アースウイング） : 〒399-4697 : 長野県上伊那郡箕輪町大字中箕輪14016 : KOAパインパーク内 : 本店 : 〒396-8585 : 長野県伊那市荒井3672
向山浩正
6,033,160,000 　(60 100 million)
1,679 people
4,288 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
興亜化成株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Customer
興亜販売株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Customer
KOA KAOHSIUNG CORPORATION
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
興亜エレクトロニクス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
ハマトウカンパニー
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
東亜エレクトロニクス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
共和電子株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社オリナス
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社やまとわ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
真田KOA株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Customer
KOA SPEER ELECTRONICS, INC.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA SPEER ELECTRONICS,INC.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
VIA electronic GmbH
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
真田KOA株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
鹿島興亜電工株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Customer
KOA EUROPE GMBH
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
ニッポンパ-ツ株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
メトロ電気株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
富士和電子株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社ジュパ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
西日本ラジオ株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
パイオニクス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
ミタチ産業株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
伊那トロン株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社KDエレクトロニクス
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
大和無線電機株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
パルスモ株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
東京トロン株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社DenGX
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
一般財団法人 伊那谷財団
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Customer Alliance
興亜エレクトロニクス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Customer
KOA Europe GmbH
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Supplier
DAH HSING ELECTRIC CO., LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
DAH HSING ELECTRIC CO., LTD. (台湾)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
INDIA
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
KOA DENKO (S) PTE.LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
KOA DENKO(MALAYSIA) SDN.BHD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA DENKO(MALAYSIA) SDN.BHD. (マレーシア)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA DENKO(MALAYSIA)SDN.BHD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA DENKO(S) PTE.LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA DENKO(S) PTE.LTD. (シンガポール)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA ELECTRONICS (H.K.) LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA ELECTRONICS(H.K.)LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA ELECTRONICS(H.K.)LTD. (香港)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA ELECTRONICS(TAICANG)CO., LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
KOA ELECTRONICS(TAICANG)CO.LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA ELECTRONICS(TAICANG)CO.LTD. (中国)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA EUROPE GMBH(ドイツ)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
KOA KAOHSIUNG CORPORATION (台湾)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
SHANGHAI KOA ELECTRONICS CO., LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
SHANGHAI KOA ELECTRONICS CO., LTD. (中国)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
SHANGHAI KOA ELECTRONICS TRADING CO., LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
SHANGHAI KOA ELECTRONICS TRADING CO., LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
SHANGHAI KOA ELECTRONICS TRADING CO., LTD. (中国)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
WUXI KOA ELECTROCERAMICS CO., LTD.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
WUXI KOA ELECTROCERAMICS CO., LTD. (中国)
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
フルタカ電気株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
リサイクルシステム研究会
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
上海兴亜电子元件有限公司
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
上海可尔电子贸易有限公司
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
兴和电子(太仓)有限公司
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
大成エレクトロニクス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
富士電子株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
无锡兴和电子陶瓷有限公司
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
東京周波株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
東和電機株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
株式会社エーディーデバイス
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
角田無線電機株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group

20 entries
DateDescription
1940-03 昭和15年（1940年）3月、向山一人個人により東京都荏原区小山町2丁目168番地に興亜工業社を創立し固定抵抗器の製造を開始する
1940-03-10 創立
1941-12 昭和16年（1941年）12月、工場拡張のため長野県上伊那郡伊那町に興亜工業社伊那工場を設置する
1942-07 昭和17年（1942年）7月、コンデンサの製作を開始する
1943-10 昭和18年（1943年）10月、名古屋市に名古屋出張所を設置する
1944-05 昭和19年（1944年）5月、労働調整令第二条適用工場の指定を受ける
1946-04 昭和21年（1946年）4月、興亜マークを制定する
1947-05 昭和22年（1947年）5月、商工省より通信関係主要工場の指定を受ける。5月に80万円で株式会社に組織変更する。
1947-05-24 設立（株式会社に組織変更）
1947-06 昭和22年（1947年）6月、東京支店と名古屋支店を設置する
1948-09 昭和23年（1948年）9月、160万円に増資（全額払込済）。
1950-11 昭和25年（1950年）11月、名古屋支店を廃止し、大阪市に関西支社を設置する。
1950-12 昭和25年（1950年）12月、社名を興亜電工株式会社に変更する
1953-11 昭和28年（1953年）11月、260万円に増資（全額払込済）
1955-06 昭和30年（1955年）6月、日本工業規格（JIS）表示工業の許可を受ける
1955-07 昭和30年（1955年）7月、東京都に神田営業所を設置する
1956-03 昭和31年（1956年）3月、480万円に増資（全額払込済）。12月、労働大臣より優良工場として表彰される
1957-02 昭和32年（1957年）2月、960万円に増資（全額払込済）
1958-04 昭和33年（1958年）4月、長野県上伊那郡箕輪町に箕輪工場を設置する
1959-02 昭和34年（1959年）2月、川崎市に川崎支店を設置する。7月に1,920万円に増資（全額払込済）。11月、防衛庁規格（NDS XXC6442）認定を受ける（固定皮膜抵抗器）
+ Loaded when opened
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2026-09-21 17:56 (Model: ggml-org/gpt-oss-20b )
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