I don`t live in Toyokawa, nor am I familiar with what is where so can`t judge whether these are near Akasakadai (which looks to be in the middle of nowhere...) - but here are some links.
http://www.ilex-sports.com/premia/index.html
http://www.oka-ken.co.jp/pacific/spo.../toyokawa.html
There may be more, but I just did a quick search.