1955

Sumitomo Electric Industries, Ltd. (Sumitomo) started the studies of uranium dioxide (UO2) powder

1956

The Furukawa Electric Co., Ltd. (Furukawa) started the studies of nuclear fuel

1964

Sumitomo built researching and manufacturing facilities for uranium-aluminum alloy fuel in its Kumatori Works

1965

Furukawa established fuel processing facility in its Takeyama Research Center

1966

Sumitomo built researching and manufacturing facilities for UO2 fuel in its Kumatori Works

1972

July: Nuclear Fuel Industries, Ltd. (NFI) was established by Sumitomo and Furukawa by 50% stake each

1974

December: Fuels were delivered to Mihama Nuclear Power Station Unit 2 of The Kansai Electric Power Co., Inc. (first delivery of PWR fuels)

1978

September: Fuels were delivered to Fukushima Daiichi Nuclear Power Station Unit 3 of Tokyo Electric Power Company (first delivery of BWR fuels)

1980

January: NFI Tokai Works started its operation

1985

August: Nuclear Engineering, Ltd. was established
December: Cumulative shipment of PWR fuel assemblies reached 1,000

1986

February: Cumulative shipment of BWR fuel assemblies reached 1,000

1987

February: Kyushu Branch Office opened

1989

July: Engineering Cooperation Co., Ltd. (ECO) was established

1991

January: Cumulative shipment of BWR fuel assemblies reached 3,000
April: Engineering Precision Co., Ltd. (EPCO) was established
June: Shikoku Branch Office opened

1993

April: Tohoku Branch Office opened

1994

April: Cumulative shipment of PWR fuel assemblies reached 3,000 
September: Cumulative shipment of BWR fuel assemblies reached 5,000

1997

July: Europe office opened
September: First fuels were delivered to high-temperature engineering test  reactor (HTTR) of Japan Atomic Energy Research Institute (JAERI)
October: Cumulative shipment of BWR fuel assemblies reached 7,000

1999

April: Service of electron irradiation was started
May: Hokkaido Branch Office opened

2000

June: Mutual Cooperation Agreement for Nuclear Disaster was concluded by three nuclear fuel companies in Japan
October: Cumulative shipment of PWR fuel assemblies reached 5,000

2001

October: Cumulative shipment of BWR fuel assemblies reached 10,000

2008

April: ECO was merged by NFI

2009

May: Westinghouse Electric Company (Westinghouse) took 52% stake of NFI, becoming the largest shareholder

2013

April: EPCO was merged by Toho Engineering Co.,Ltd.(TOHO)

2018

June: Toshiba Energy Systems & Solutions Corporation (Toshiba ESS) took 100% stake of NFI

2019

November: Service of electron irradiation was terminated

2021

July:TOHO was merged by NFI

2023

October：Approval and receipt of the confirmation of operator’s pre-operational inspections regarding Kumatori Works from Nuclear Regulation Authority

ISO9001
Quality Management System

Services provision of non-destructive inspection, maintenance,
investigation, analysis, assessment in nuclear and social infrastructure. 
Development of system for non-destructive inspection and monitoring. 
Design and manufacturing management of non-destructive inspection
equipment.

OSHMS (JISHA Method)
Occupational health and safety management system

Kumatori Works