Meetings of the Mathematical Society of Japan are held biannually, in the spring and autumn. At these meetings, members have the opportunity to present short communications, and there are usually several plenary talks in geometry given by mathematicians from Japan and abroad. A list of recent plenary talks in geometry can be found here.
The 2017 meetings will be held as follows.
24 March - 27 March 2017 Tokyo Metropolitan University
11 September - 14 September 2017 Yamagata University