Well, I finally found it! Still there. Perhaps some would like to see it (sorry for the big picture).
Picture taken from 36 deg. 21.713’N, 139 deg. 0.682’E, looking SW.
(Google Earth, Street View).
And the main entrance in the other end of the site.
The address is: 307-2, Koyagimachi, takasaki, japan
2001 The TWICELL battery factory (owned by Toshiba) was sold to Sanyo. The LSD Eneloops as we know them came out in 2005.
2010 Sanyo was taken over by Panasonic, that then would have accuired over 80% of the worlds NiMh production which was against trust laws. Therefore TWICELL was taken over by (Fujitsu owned) FDK and renamed FDK TWICELL CO.,LTD
More details about the TWICELL factory is found in this link by accumulator…