The 2010 typhoon season had 14 typhoons, which broke the lowest record of 16 typhoons in 1998 and is the historical minimum since 1951. We had two landfalling typhoons in Japan, but they were unique in that both of them made landfall on the Japan Sea side of the island, and Typhoon 201009 even recorded the landfall at Hokuriku region, which is the first since 1951. 6 typhoons approached to Okinawa, which is lower than average (7.0), and 2 typhoons approached to Izu and Ogasawara Islands, which is much lower than average (5.0). The track of the typhoons tend to be west, and no typhoons passed in the east of 150 longitude.
2010 saw the following 14 storms, ranked by ACE (using JMA data):
Megi 27.2925
Chaba 11.3175
Fanapi 8.9100
Conson 7.0825
Malakas 6.5300
Kompasu 6.3075
Dianmu 3.8725
Chanthu 3.8450
Malou 3.3675
Lionrock 3.1325
Mindulle 1.3375
Meranti 0.9275
Omais 0.8575
Namtheun 0.6875
http://agora.ex.nii.ac.jp/digital-typho ... /#20101231