There appears to be more than one entity with this name. Please choose the entity you are interested in:

1. Showa Denko K.k.
   
2. Showa Denko K.k.
   13-9, Shibadaimon 1-chome, Minato-ku
   Tokyo
   JAPAN
3. Showa Denko K.k.
   13-9, Shiba Daimon 1-chome
   Minato-ku, Tokyo 105-8518
   JAPAN