| 1964-04 |
住友金属鉱山株式会社と米国エンゲルハルドコーポレーション（現 BASF コーポレーション）との合弁により、日本エンゲルハルド株式会社設立（本社：東京都港区赤坂）。事業内容はエンゲルハルドコーポレーションからの導入技術による化学触媒、貴金属めっき薬品、金液などの製造販売および貴金属の回収精製。エンゲルハルドコーポレーションと化学触媒等にかかる技術援助契約締結。 |
| 1964-04 |
Founding of Nippon Engelhard Ltd. (headquartered at Akasaka, Minato-ku, Tokyo) as a joint venture between Sumitomo Metal Mining Co., Ltd. and Engelhard Corporation (currently BASF Corporation). Nippon Engelhard executed a technology cooperation agreement for chemical catalysts and other products with Engelhard Corporation. |
| 1964-12 |
市川研究所完成。 |
| 1964-12 |
Construction of Ichikawa Laboratory was completed. |
| 1970-03 |
本社を東京都港区浜松町の世界貿易センタービル内に移転。 |
| 1970-03 |
The Head Office was relocated to the World Trade Center Building in Hamamatsu-cho, Minato-ku, Tokyo. |
| 1970-07 |
沼津工場（現沼津事業所）竣工、貴金属触媒製造、貴金属回収精製操業開始。 |
| 1970-07 |
Construction of Numazu Factory (currently Numazu Plant) completed, manufacturing of precious metal catalysts, and recovery and refinement of precious metals. |
| 1978-03 |
エンゲルハルドコーポレーションと自動車触媒製造技術の日本での非独占実施権契約を結ぶ。 |
| 1978-03 |
Nippon Engelhard executed a non-exclusive license agreement for auto exhaust catalysts production technology in Japan with Engelhard Corporation. |
| 1979-10 |
沼津工場（現沼津事業所）にて自動車触媒製造開始。 |
| 1979-10 |
Nippon Engelhard launched production of auto exhaust catalysts in Numazu Factory (currently Numazu Plant). |
| 1989-06 |
社名を「エヌ・イー ケムキャット株式会社」に変更。 |
| 1989-06 |
The corporate name was changed to "N.E. CHEMCAT Corporation". |
| 1989-09 |
店頭登録銘柄として株式公開。 |
| 1989-09 |
N.E. CHEMCAT's shares were registered the over-the-counter market in Tokyo. |
| 1991-09 |
エンゲルハルドコーポレーションとベースメタル触媒にかかる独占的販売店契約締結。 |
| 1991-09 |
N.E. CHEMCAT executed an exclusive distribution agreement for base metal catalysts with Engelhard Corporation. |
| 1996-12 |
沼津工場（一般触媒、化成品製造 ※現沼津事業所）「ISO9002」審査登録。 |
| 1996-12 |
ISO 9002 certification was registered for the manufacture of Chemical Catalysts and Chemicals in Numazu Factory (currently Numazu Plant). |
| 1997-10 |
燃料電池自動車の電極触媒開発開始。 |
| 1997-10 |
The development of electrode catalysts for fuel cell vehicles began. |
| 2000-04 |
装飾用（陶磁器・ガラス等用）金液の営業権譲渡。 |
| 2000-04 |
N.E. CHEMCAT sold business rights pertaining to liquid gold for decoration (for ceramics, glass etc.). |
| 2001-10 |
沼津事業所「ISO14001」審査登録。 |
| 2001-10 |
ISO 14001 certification was registered for Numazu Plant. |
| 2001-12 |
沼津事業所「ISO9001」審査登録。 |
| 2001-12 |
ISO 9001 certification was registered for Numazu Plant. |
| 2002-02 |
つくば事業所完成。 |
| 2002-02 |
Construction of Tsukuba Plant was completed. |
| 2003-10 |
つくば事業所において、ディーゼル車用自動車触媒量産製造開始。 |
| 2003-10 |
Tsukuba Plant launched high-volume production of diesel auto exhaust catalysts. |
| 2004-06 |
沼津事業所・つくば事業所・本社 自動車触媒にかかる「QS-9000」審査登録。 |
| 2004-06 |
QS-9000 certification was registered for Numazu Plant, Tsukuba Plant and the Head Office on auto exhaust catalysts. |
| 2004-11 |
つくば事業所「ISO14001」審査登録。 |
| 2004-11 |
ISO 14001 certification was registered for Tsukuba Plant. |
| 2006-06 |
沼津事業所「JISHA方式適格OSHMS」認定登録。 |
| 2006-06 |
JISHA OSHMS certification of Numazu Plant. |
| 2006-11 |
市川研究所閉鎖。市川研究所内の部門は、沼津事業所・つくば事業所に移転。 |
| 2006-11 |
Shutdown of Ichikawa Laboratory (internal sections transferred to Numazu Plant and Tsukuba Plant). |
| 2008-01 |
つくば事業所「JISHA方式適格OSHMS」認定登録。 |
| 2008-01 |
JISHA OSHMS certification of Tsukuba Plant. |
| 2010-01 |
住友金属鉱山株式会社とBASFグループの50％ずつの出資により、株式上場廃止。 |
| 2010-01 |
N.E. CHEMCAT was delisted from JASDAQ and reverted to a 50-50 joint venture between BASF Group and Sumitomo Metal Mining Co., Ltd. |
| 2011-04 |
表面処理薬品事業の売却。 |
| 2011-04 |
N.E. CHEMCAT sold its Coating Chemical Business. |
| 2011-05 |
BASFジャパン株式会社の化学触媒事業を当社へ統合。 |
| 2011-05 |
N.E. CHEMCAT acquired BASF Japan-Chemical Catalyst business. |
| 2015-12 |
BASFとの四輪乗用車用自動車触媒事業の協業契約締結。 |
| 2015-12 |
N.E. CHEMCAT executed a corporative agreement on auto exhaust Catalyst Business of Four-Wheel Automobile with BASF. |
| 2016-02 |
自動車触媒製造設備のつくば事業所への統合。 |
| 2016-02 |
All auto exhaust catalyst production facilities were consolidated into a single facility at Tsukuba Plant. |
| 2017-03 |
BASFとの二輪車用自動車触媒事業の協業契約締結。 |
| 2017-03 |
The business corporative agreement with BASF was expanded to include auto exhaust catalysts for Motorcycle. |
| 2018-06 |
つくば事業所 ディーゼル車用自動車触媒製造設備増強。 |
| 2018-06 |
Diesel auto exhaust catalyst production capacity at Tsukuba Plant was expanded. |
| 2018-09 |
沼津事業所・つくば事業所・本社 自動車触媒にかかる「IATF16949:2016」審査登録。 |
| 2018-09 |
IATF 16949:2016 certification was registered for Numazu Plant, Tsukuba Plant and the Head Office for auto exhaust catalysts. |
| 2019-01 |
BASFとのディーゼル車用自動車触媒事業の協業契約締結。 |
| 2019-01 |
The corporative agreement with BASF was further expanded to include Diesel auto exhaust catalysts. |
| 2021-05 |
本社を世界貿易センタービルディング南館に移転。 |
| 2021-05 |
N.E. CHEMCAT moved its headquarters to the World Trade Center Building South Tower. |
