KAKEN will be stopped due to system update. Unavailable hours of each service are the following. We deeply apologize for the inconvenience.
From 8:30 on July 29, 2016(Fri.) to 9:00 on July 29, 2016(Fri.). [JST] (For up to 10 minutes.)
From 8:30 on July 29, 2016(Fri.) to 9:00 on July 29, 2016(Fri.). [JST] (For up to 10 minutes.)