| 1921年04月 |
Business founded in Osaka. |
| 1951年01月 |
Reorganized as a corporation, and located Head Office in Nishi-ku, Osaka. |
| 1960年12月 |
Constructed Mihara Works in Mihara-cho (currently Sakai City), Osaka. |
| 1962年12月 |
Joined the Japanese Marine Equipment Association. |
| 1969年06月 |
A 5-story, reinforced concrete Head Office building completed in Osaka. |
| 1971年02月 |
Received excellent company commendation from the Osaka Nisni Tax Office.Naniwa pumps adopted by the Maritime Safety Agency. |
| 1971年10月 |
Began supplying various types of pumps in packages for large tankers, VLCC. |
| 1972年03月 |
Obtained supplier's qualification registration by the Defense Agency Procurement. |
| 1972年09月 |
Improved service system by establishing service networks including spare parts stock in Rotterdam and Singapore. |
| 1974年03月 |
New factory completed (Fukui Works) in Fukui. |
| 1974年12月 |
Reached technical cooperation agreement with Kvaerner-Eureka A.S. of Norway. |
| 1975年02月 |
Established Naniwa-Eureka Co., Ltd., a joint venture with Kvaerner- Eureka A.S., in Osaka. |
| 1976年06月 |
Super-large pump performance testing facilities completed at Fukui Works. |
| 1976年12月 |
Second phase of Fukui Works expansion completed. |
| 1977年04月 |
Reached technical and sales cooperation agreement with Allweiler AG of Germany (for screw pumps). Established Tokyo Sales Office. |
| 1978年08月 |
Third phase of Fukui Works expansion work completed. Oil performance testing facilities completed. |
| 1983年02月 |
Introduced large computer system for on-line services among the 3 operating units - Head Office and factories. |
| 1983年05月 |
Head Office building expansion completed. Naniwa Pump's equipment was selected and installed on the large sailing vessel, Nihonmaru. |
| 1983年06月 |
Introduced automated parts control warehouse system at Fukui Works. |
| 1984年03月 |
Expanded Production facilities at Fukui Works. Introduced FMS production system. |
| 1985年09月 |
Three story ferroconcrete general business office building at Fukui Works completed. |
| 1985年11月 |
Approved as a certified "JG" manufacturing unit under the Ships Safety Act by the Ministry of Transport. |
| 1989年03月 |
Naniwa Pump supplied pumps for Japan's first large luxury liner, the Chrystal Harmony (later renamed the Asuka II). |
| 1989年08月 |
The fourth phase of Fukui Works expansion completed. |
| 1989年11月 |
Introduced 2-dimensional CAD. |
| 1990年05月 |
Approved as a certified manufacturing unit by DNV of Norway, for the first time as a pump manufacturer of Japan. |
| 1992年08月 |
Approved as a certified manufacturing unit by NK for the first time as a pump manufacturer. |
| 1993年03月 |
Expanded production facilities at Fukui Works. |
| 1994年10月 |
The Tokyo Sales Office was moved to Nihonbashikayaba-cho in Chuo Ward. |
| 1997年12月 |
Obtained international standard of quality assurance ISO9001 for all operating units. |
| 1998年03月 |
Second plant completed at Fukui Works. |
| 1998年05月 |
Obtained a patent for "waste oil recovery system in oil tank". |
| 1999年04月 |
Constructed an information network (internal LAN, E-mail and transmission of technical data) for use at all operating units. |
| 1999年08月 |
Capital was increased to approximately 100 million yen. Celebrated 50th Anniversary of incorporation. |
| 2000年06月 |
Approved as a certified manufacturing unit by BV of France. |
| 2000年07月 |
Concluded an exclusive representation agreement with Hermetic-Pumpen GmbH in Germany. Entered the canned pump market. |
| 2000年12月 |
Approved as a certified manufacturing unit by LRS. Automated rack warehouse completed at Fukui Works. |
| 2001年04月 |
Concluded a technical tie-up agreement regarding steam turbines with Mitsubishi Heavy Industries, Ltd. |
| 2001年12月 |
Obtained type approval of ABS. |
| 2002年07月 |
Steam turbine plant (third plant) completed at Fukui Works. |
| 2002年11月 |
Introduced 3-dimensional CAD. |
| 2003年03月 |
Acquired the Samsung-Q SILVER Mark certificate from Samsung Heavy Industries. |
| 2005年01月 |
Implemented productivity improvement project "Production Revolution NP-130." |
| 2005年11月 |
Large Main Engine L.O. Pump plant (fourth plant) completed at Fukui Works. |
| 2007年10月 |
Expanded the production facilities at Fukui Works, installing an automatic machine center with five-face machining equipment (third machine) |
| 2007年11月 |
Developed the world largest propulsion engine lubricating oil pump, the "New TOM Series." |
| 2008年03月 |
Acquired the Samsung-Q GOLD Mark certificate from Samsung Heavy Industries. |
| 2008年08月 |
Introduced the latest type FMS machine, making continuous 3 day and night operation possible. |
| 2008年09月 |
Expansion of Fukui Works completed. Fukui Works Supply Center completed. |
| 2008年10月 |
Opened Naniwa Shanghai Rep.office. |
| 2008年12月 |
Introduced an automatic measuring testing facility for centrifugal pumps. |
| 2010年01月 |
Improve efficiency of main machine lubricating oil pump TOM type by 5%. |
| 2010年02月 |
Launched a new integrated production control system, "NIPS2010". (NIPS＝Naniwa Integrated Production Control System) |
| 2011年01月 |
60th anniversary of the company's establishment. |
| 2011年04月 |
Completed the transfer of the previous production control system to NIPS2010. |
| 2011年05月 |
Certified as an approved factory by the Korean Register of Shipping (KR). |
| 2011年08月 |
Implemented personnel-system reform. |
| 2011年09月 |
Established the Production Reform Committee to further improve productivity. |
| 2012年10月 |
Celebrated 60th Anniversary of incorporation |
| 2013年04月 |
Implemented new product development project "NEO (Naniwa Ecological Operation) Project" under the theme of enviroment project and energy saving. |
| 2014年01月 |
第1工場検査設備を完全自動化とする。 |
| 2014年01月 |
Introduced full automation test facility for 1st Fatory. |
| 2014年03月 |
FRP製ポンプについての調査研究開始（一般社団法人日本舶用工業会 平成26年度FS事業）。 |
| 2014年03月 |
Start investigative study for pumps made of FRP under subsidized program of Japan Foundation. |
| 2014年04月 |
NEOプロジェクトの第1弾として、冷却海水ポンプ用インバーター制御システム「NEO-MEシリーズ」をリリース。 |
| 2014年04月 |
Released Inverter Control System for Main CSW Pump as 1st product under NEO Project |
| 2014年06月 |
中期計画「JUMP NANIWA 2020」を発表。 |
| 2014年06月 |
JUMP NANIWA 2020 were revealed |
| 2015年04月 |
複合材料製ポンプ（インペラー及びケーシング）についての技術開発を開始（一般社団法人日本舶用工業会 平成27年度新製品開発助成事業）。SOx/NOxスクラバーシステムに対応した循環水ポンプの開発を発表（NEOプロジェクト第2弾）。 |
| 2015年04月 |
Kick off technology development of pumps made of FRP. Launched newly developed water circulation pumps for SOx/NOx Scrubber System as 2nd product under NEO Project. |
| 2015年05月 |
バリシップにて2015展示会にて、NEOプロジェクト第3弾、4弾となるMGO対応ギア/トロコイドポンプ、下吸込み型渦巻きポンプの開発を発表。 |
| 2015年05月 |
Released newly developed rotary gear pumps for low shulper oil and under suction centrifugal pumps as 3rd and 4th products under NEO Project at Bariship 2015 Exehibition. |
| 2017年05月 |
Released pump made of FRP at Bariship 2017 Exehibition. |
| 2019年03月 |
Expansion of Fukui Works has been completed. Introduced full automation test facility for oil pumps in Third plant. |
| 2019年04月 |
Kick off technology development of Innovative marine pump diagnostic system. |
| 2021年02月 |
福井事業所が環境マネジメントの国際規格ISO14001認証を取得（認証No. 21-202E） |
