Only Japanese

Best "medal collection" (3x3x3 and overall)
Person	Gold	Silver	Bronze	|	Person	Gold	Silver	Bronze
Shotaro Makisumi	14	4	2	|	Takao Hashimoto	58	15	12
Sinpei Araki	6	2	5	|	Shotaro Makisumi	31	13	10
Yu Nakajima	5	1	1	|	Yohei Oka	27	16	9
Yumu Tabuchi	5	0	2	|	Yumu Tabuchi	26	14	11
Yohei Oka	4	4	3	|	Syuhei Omura	24	15	7
Yuki Hayashi	3	0	0	|	Yu Nakajima	14	7	6
Mitsuki Gunji	3	6	2	|	Takayuki Ookusa	14	3	5
Kazuya Kawamoto	2	0	0	|	Sinpei Araki	11	11	10
Syuhei Omura	2	2	2	|	Mitsuki Gunji	9	10	5
Takahito Domon	2	1	1	|	Ryosuke Mondo	7	2	6

Sum of 3x3/4x4/5x5 ranks (Single | Average)
Person	Sum	3x3	4x4	5x5	|	Person	Sum	3x3	4x4	5x5
Syuhei Omura	8	6	1	1	|	Syuhei Omura	4	2	1	1
Yumu Tabuchi	10	2	2	6	|	Yumu Tabuchi	7	1	2	4
Yu Nakajima	16	4	7	5	|	Yu Nakajima	10	4	3	3
Mitsuki Gunji	23	5	8	10	|	Mitsuki Gunji	17	5	5	7
Keisuke Hiraya	24	16	4	4	|	Keisuke Hiraya	18	10	6	2
Yohei Oka	27	11	9	7	|	Yohei Oka	25	12	8	5
Takumi Yoshida	30	17	5	8	|	Takumi Yoshida	26	7	11	8
Yu Sajima	35	7	3	25	|	Yu Sajima	34	3	4	27
Daiki Matsumoto	35	14	6	15	|	Shinichiro Sato	35	6	9	20
Takahiro Tomisawa	38	23	12	3	|	Daiki Matsumoto	36	11	7	18
Takuma Akutsu	42	18	10	14	|	Nobuaki Suga	46	18	16	12
Shinichiro Sato	43	9	11	23	|	Yuhei Takagi	48	18	14	16
Shotaro Makisumi	45	3	26	16	|	Shotaro Makisumi	51	13	25	13
Nobuaki Suga	45	19	17	9	|	Takuma Akutsu	51	16	21	14
Yuhei Takagi	57	24	14	19	|	Takahiro Tomisawa	57	35	13	9
Takayuki Ookusa	69	46	21	2	|	Takayuki Ookusa	64	40	18	6
Yuji Suse	72	30	18	24	|	Yukiko Makino	65	30	24	11
Tatsuya Ookubo	76	33	31	12	|	Tatsuya Ookubo	68	29	29	10
Yukiko Makino	79	34	34	11	|	Keita Nomura	73	46	10	17
Ryousuke Higo	80	22	28	30	|	Yuji Suse	75	32	15	28

3x3x3 best standard deviation
Person	Standard Deviation	Times	Competition	Date
Shotaro Makisumi	0.21	15.52 15.22 15.83 15.34 15.34	World Championship 2007	2007/10/7
Yuuji Kiuchi	0.25	17.96 18.34 18.47 17.84 18.36	Japan Open 2010	2010/3/28
Wataru Hashimura	0.28	13.05 12.68 12.52 12.21 12.47	JRCA Kansai Spring 2010	2010/5/29
Shota Kobayashi	0.29	15.00 15.38 14.52 15.18 14.96	JRCA Hokuriku 2009	2009/5/2
Shuto Ueno	0.29	14.94 15.05 14.77 14.22 14.78	Kawasaki Open 2010	2010/6/6
Masato Chida	0.36	17.27 17.41 16.55 17.43 17.58	Tokyo Open 2008	2008/8/2
Takumi Yoshida	0.36	13.56 13.63 12.81 12.80 13.28	Osaka Open 2009	2009/3/28
Hideki Niina	0.38	16.88 17.46 16.68 16.56 16.36	Japan Open 2010	2010/3/28
Wataru Hashimura	0.38	11.59 11.22 11.63 12.18 11.08	Japan Open 2010	2010/3/28
Ryousuke Higo	0.39	14.43 14.97 15.53 14.52 14.72	Osaka 2007	2007/3/31

Oldest standing Japan records
Event	Type	Days	Result	Person	Competition
2x2 Cube	Single	879	2.09	Syuhei Omura	Osaka Open 2008
3x3 blindfolded	Single	753	55.16	Yumu Tabuchi	Tokyo Open 2008
Megaminx	Average	515	1:08.70	Yu Nakajima	Osaka Open 2009
7x7 Cube	Average	515	4:01.73	Yu Nakajima	Osaka Open 2009
7x7 Cube	Single	515	3:47.36	Yu Nakajima	Osaka Open 2009
Square-1	Single	437	14.02	Takao Hashimoto	Missouri Open 2009
5x5 blindfolded	Single	318	26:30.00	Ryosuke Mondo	World Championship 2009
4x4 blindfolded	Single	318	8:41.85	Yumu Tabuchi	World Championship 2009
3x3 fewest moves	Single	318	29	Yumu Tabuchi	World Championship 2009
Master Magic	Average	150	2.99	Yoshiaki Hirayama	Japan Open 2010
3x3 with feet	Average	150	55.37	Yuhei Takagi	Japan Open 2010
2x2 Cube	Average	150	3.64	Junya Tomita	Japan Open 2010
3x3 multi blind	Single	150	7/8 43:34	Ryosuke Mondo	Japan Open 2010
Master Magic	Single	150	2.91	Yoshiaki Hirayama	Japan Open 2010
Pyraminx	Single	150	2.96	Yohei Oka	Japan Open 2010
Square-1	Average	95	16.20	Takao Hashimoto	Discovery Science Center 2010
Rubik's Clock	Average	80	7.53	Yu Sajima	Kawasaki Open 2010
Rubik's Clock	Single	80	6.36	Yu Sajima	Kawasaki Open 2010
5x5 Cube	Average	31	1:16.96	Syuhei Omura	MegaHouse Cup 2010
3x3 one-handed	Average	31	16.11	Yumu Tabuchi	MegaHouse Cup 2010
Rubik's Cube	Average	31	10.03	Yumu Tabuchi	MegaHouse Cup 2010
Rubik's Magic	Single	31	0.90	Yoshiaki Hirayama	MegaHouse Cup 2010
Rubik's Magic	Single	31	0.90	Akihiko Kasamatsu	MegaHouse Cup 2010
5x5 Cube	Single	31	1:06.93	Syuhei Omura	MegaHouse Cup 2010
Rubik's Cube	Single	31	8.30	Arifumi Fushimi	MegaHouse Cup 2010
Pyraminx	Average	3	3.71	Yohei Oka	Cube Camp Kanazawa 2010
Rubik's Magic	Average	3	1.04	Arifumi Fushimi	Cube Camp Kanazawa 2010
6x6 Cube	Average	3	2:44.40	Syuhei Omura	Cube Camp Kanazawa 2010
4x4 Cube	Average	3	43.15	Syuhei Omura	Cube Camp Kanazawa 2010
6x6 Cube	Single	3	2:38.10	Syuhei Omura	Cube Camp Kanazawa 2010
Megaminx	Single	3	56.31	Takumi Yoshida	Cube Camp Kanazawa 2010
3x3 with feet	Single	3	44.08	Yuhei Takagi	Cube Camp Kanazawa 2010
3x3 one-handed	Single	3	13.56	Takumi Yoshida	Cube Camp Kanazawa 2010
4x4 Cube	Single	3	37.16	Syuhei Omura	Cube Camp Kanazawa 2010

Blindfold 3x3x3 recent success rate (since 2009/08/25)
Person	Rate	Solves	Attempts		Best	Avg	Worst
Tomoki Kubo	66.67%	8	12		1:46.03	2:11.18	3:42.65
Takuma Shirahase	55.56%	10	18		2:14.88	3:26.28	4:28.59
Tomoaki Okayama	55.56%	5	9		3:27.91	5:10.99	6:21.47
Yumu Tabuchi	55.00%	11	20		1:00.77	1:34.37	2:48.81
Takuma Akutsu	50.00%	3	6		1:32.71	2:46.29	3:23.84
Fumiki Koseki	45.45%	5	11		4:37.00	6:49.50	7:42.69
Wataru Hashimura	41.67%	5	12		2:29.25	3:09.72	4:34.25
Yuhei Takagi	38.89%	7	18		1:54.81	2:39.95	4:37.81
Shusei Tabuchi	35.29%	6	17		3:08.40	4:04.16	4:30.22
Hiroaki Umemoto	33.33%	2	6		5:53.71	6:01.41	6:09.11
Sinpei Araki	30.77%	8	26		1:28.75	2:23.09	3:21.00
Yu Araki	29.41%	5	17		4:09.31	4:40.69	5:17.03
Syuhei Omura	27.27%	3	11		2:17.77	2:38.27	3:09.77
Shotaro Makisumi	26.32%	5	19		1:50.66	2:08.86	2:21.50
Daiki Matsumoto	22.22%	2	9		3:30.31	4:19.46	5:08.61
Yoshiaki Hirayama	22.22%	2	9		5:02.09	5:39.32	6:16.55
Masayuki Akimoto	20.00%	1	5		2:25.68	2:25.68	2:25.68
Yuji Suse	11.11%	1	9		3:48.53	3:48.53	3:48.53
Nobuaki Suga	5.56%	1	18		7:23.03	7:23.03	7:23.03

Most solves or DNFs in one competition
Person	Solves	Competition	|	Person	DNFs	Competition
Yumu Tabuchi	101 / 106	Japan Open 2010	|	Takuma Shirahase	9 / 36	Japan Open 2009
Yu Nakajima	84 / 89	Japan Open 2009	|	Yuhei Takagi	9 / 82	Japan Open 2010
Takuma Akutsu	82 / 85	Japan Open 2010	|	Ryosuke Mondo	8 / 16	Japan Open 2008
Nobuaki Suga	80 / 82	Cube Camp Kanazawa 2010	|	Ryosuke Mondo	8 / 55	US Nationals 2009
Fumiki Koseki	79 / 83	Japan Open 2010	|	Ryosuke Mondo	7 / 16	Japan Open 2010
Yumu Tabuchi	78 / 81	World Championship 2009	|	Takuma Shirahase	7 / 59	Cube Camp Kanazawa 2010
Nobuaki Suga	77 / 83	Japan Open 2010	|	Takahito Domon	6 / 15	Osaka 2006
Syuhei Omura	73 / 77	Japan Open 2010	|	Kentaro Nishi	6 / 28	Cube Camp Kanazawa 2010
Yuhei Takagi	73 / 82	Japan Open 2010	|	Yu Nakajima	6 / 33	Japan Open 2008
Yumu Tabuchi	69 / 73	Japan Open 2009	|	Yuji Suse	6 / 36	MegaHouse Cup 2010

Appearances in 3x3x3 top 100 results (Single | Average)
Person	Appearances	|	Person	Appearances
Yumu Tabuchi	30	|	Yumu Tabuchi	16
Syuhei Omura	19	|	Syuhei Omura	15
Yu Nakajima	8	|	Mitsuki Gunji	12
Yu Sajima	7	|	Yu Sajima	10
Mitsuki Gunji	7	|	Yu Nakajima	9
Arifumi Fushimi	4	|	Takumi Yoshida	8
Keisuke Hiraya	4	|	Yohei Oka	6
Yohei Oka	4	|	Daiki Matsumoto	4
Sinpei Araki	3	|	Arifumi Fushimi	3
Shotaro Makisumi	3	|	Keisuke Hiraya	3