Yohei Oka won the Ibaraki competition 2007 with an average in the final of 13.51 seconds. Sinpei Araki finished second (14.74) and Tatsuya Ookubo finished third (15.54).
World records: Takayuki Ookusa 5x5 1:42.16 (average).
Asian records: Kouetso Ando 3x3 9.83 (single), Takayuki Ookusa 5x5 1:35.90 (single), Takuma Akutsu 3x3 one-handed 21.21 (average), Yohei Oka Pyraminx 4.83 (single) 6.79 (average).
Full results here.
World records: Takayuki Ookusa 5x5 1:42.16 (average).
Asian records: Kouetso Ando 3x3 9.83 (single), Takayuki Ookusa 5x5 1:35.90 (single), Takuma Akutsu 3x3 one-handed 21.21 (average), Yohei Oka Pyraminx 4.83 (single) 6.79 (average).
Full results here.