hayato_1980

一口馬主,java,solr,lucene,ruby,XP,object oriented development

Yuya Takeyama

I was born too late / Software Engineer at LayerX

maruTA_bis5

nhayato

ソフトウェアやシステムに興味があります

yuya-oc

Teppei Fukuda

I love Manga

うんの　ひでゆき

Yushiro FURUKAWA

kimusaku