Production capability
PWR fuel: 284 tU/year
Site area
Approx. 28,000 square meters
Building area
Approx. 11,000 square meters
Number of employees
Approx. 240 persons
1964
Research and manufacturing facilities were built (Sumitomo Electric Industries, Ltd.)
1966
Power and manufacturing facilities were built (Sumitomo Electric Industries, Ltd.)
1972
Sumitomo Electric Industries, Kumatori Works, Nuclear Fuel Department transferred the business (facilities, equipment and others) to Kumatori Manufacturer (currently Kumatori Works.)
1974
The first PWR fuel assembly was shipped (to Kansai Electric Power Company, Mihama Nuclear Power Station)
1977
Safety agreement was signed with Kumatori town
1979
Engineering services started
1999
Electron beam irradiation service started
ISO9001 certification was obtained for PWR fuel business
Kumatori Works obtained ISO14001 (1999-2013)
2000
ISO9002 and ISO13488 were obtained for electron beam and X-ray irradiation service business
2003
Cumulative shipment of PWR fuel assemblies reached 6000
ISO9001 was obtained for steam generator inspection service
2004
Obtained Occupational Safety & Health Management System (JISHA-qualified OSHMS) certification
2019
Electron Irradiation Service discontinued
As required by the law for the nuclear operator and our own initiative to be prepared in the event of a nuclear disaster, we have drafted the Disaster Prevention Plans, which we review and modify annually.