Toshiaki Koshiba has 2 videos available on Confreaks.TV. Their most popular video is Lightning Talk: Let's go to "Shibuya Rubyist Lunch" at Tokyo, Japan which has been viewed 3,329 times since it was posted on 10/05/2011.
Ohayō Rails (おはよう Rails) at Ruby Kaigi 2014 73 total views
Lightning Talk: Let's go to "Shib... at Ruby Conference 2011 3,329 total views
