Japan intended to even more battleships according to the Dutch newspaper Bataviaasch nieuwsblad dated 18 July 1906

Satsuma-class. Displacement 19.372-20.100 tons and a main armament of2x2-30,5cm/12"guns and 6x2-25,4cm/10" guns. 

Kawachi-class. Displacement 20.823-21.443 normal) tons and main armament 2x2-30,5cm 12"/50 guns and 4x2-30,5cm 12"/45 guns. 

An item dated London, England 17th reported that Japan except for the already laid down battleships considered the building of even more battleships (1) and cruisers.

Note
1. The Katori-class consisting of the Katori and Kasima commissioned on 20 respectively 23 May 1906. The Satsuma-class consisting of the Satsuma and Aki laid down on respectively 15 May 1905 and 15 March 1905 and commissioned in respectively 25 March 1910 and 11 March 1911. The Kawachi-class consisting of the Kawachi and Settsu was laid down on respectively 1 April and 18 January 1909.