15-minute Numbers - All-Time Best Scores

Japan

Rank	Competitor	Country	Score	IAM level	Competition
1	NAOKI MIWA	Japan	968	23	East Asia Open 2025
2	NAOKI MIWA	Japan	880	23	Japan Open 2025
3	NAOKI MIWA	Japan	808	23	IAM Egypt Open 2022
4	MOTORO OHNO	Japan	520	14	Australian Open Memory Championship 2018
5	NAOYA HIRATA	Japan	492	13	East Asia Open 2025
6	YOSHIHIRO IKEDA	Japan	482	13	Japan Open Memory Championship 2015
7	YUZUKI TAKAOKA	Japan	450	12	Japan Open 2025
8	TOMOYUKI SASAYA	Japan	440	12	Japan Open 2025
9	KAREN ISHII	Japan	428	11	East Asia Open 2025
9	YASUHIRA YAMAGUCHI	Japan	428	11	East Asia Open 2025
11	YUZUKI TAKAOKA	Japan	400	12	East Asia Open 2025
12	TAKERU AOKI	Japan	392	10	Australian Open Memory Championship 2018
13	SAYAKA HOKAZONO	Japan	388	10	Japan Open 2025
14	NAOYA HIRATA	Japan	382	13	Japan Open Memory Championship 2019
15	TAKERU AOKI	Japan	374	10	Korea Open Memory Championship 2017
16	NAOYA HIRATA	Japan	370	13	Japan Open Memory Championship 2018
17	NAOYA HIRATA	Japan	366	13	Japan Open 2025
18	NAOYA HIRATA	Japan	362	13	Japan Open Memory Championship 2017
19	KAREN ISHII	Japan	360	11	Japan Open 2025
20	YOSHIHIRO IKEDA	Japan	358	13	Hong Kong Open Memory Championship 2013
21	YOSHIHIRO IKEDA	Japan	356	13	Japan Open Memory Championship 2014
22	MOTORO OHNO	Japan	350	14	Japan Open Memory Championship 2014
23	YOSHIHIRO IKEDA	Japan	333	13	OZ Open Memory Champs 2013 - Powered by life's DHA
24	KEN KOHAGIZAWA	Japan	332	9	Japan Open 2025
25	TAKERU AOKI	Japan	324	10	Australian Open Memory Championship 2017
25	TAKERU AOKI	Japan	324	10	Singapore Open Memory Championship 2017
25	MOTORO OHNO	Japan	324	14	Japan Open Memory Championship 2015
25	MOTORO OHNO	Japan	324	14	Taiwan Open Memory Championship 2017
29	KENJI TAKAGI	Japan	320	9	Japan Open Memory Championship 2018
29	AKIRA OKUNU	Japan	320	9	Japan Open Memory Championship 2019
31	MEGUMI MORIKAWA	Japan	310	8	East Asia Open 2025
32	TAKERU AOKI	Japan	304	10	Hong Kong Open Memory Championship 2016
33	MIE SAKATA	Japan	300	8	East Asia Open 2025
34	NAOYA HIRATA	Japan	294	13	Korea Open Memory Championship 2017
35	TAKERU AOKI	Japan	292	10	Hong Kong Open Memory Championship 2013
36	MASASHI FUJITA	Japan	290	8	Japan Open 2025
37	YU SUGAYA	Japan	288	8	Japan Open 2025
38	TAKERU AOKI	Japan	284	10	3rd Philippine OPEN Champs 2016
38	RIZU TAKAOKA	Japan	284	8	Japan Open 2025
40	REIKO TAKAHASHI	Japan	280	8	Japan Open 2025
41	TAKERU AOKI	Japan	276	10	Singapore Open Memory Championship 2015
42	TAKERU AOKI	Japan	268	10	1st Taiwan Open Memory Championship 2015
43	KENJI TAKAGI	Japan	264	9	Japan Open Memory Championship 2017
43	MIE SAKATA	Japan	264	8	Japan Open 2025
45	KAMICHO HIROKAZU	Japan	260	7	Japan Open Memory Championship 2018
45	MEGUMI MORIKAWA	Japan	260	8	Japan Open 2025
45	ETSUKO NOGAMI	Japan	260	7	East Asia Open 2025
48	NAOKI MIWA	Japan	248	23	Japan Open Memory Championship 2018
49	TAKERU AOKI	Japan	244	10	4th Philippine OPEN Champs 2017
50	KIYOHIRO MURAI	Japan	242	7	Japan Open Memory Championship 2017
51	FUMIKO RENAUDY NEMOTO	Japan	240	7	French Open Memory Championship 2021
51	JUN TAKEDA	Japan	240	7	Japan Open 2025
53	TAKERU AOKI	Japan	232	10	Australian Open Memory Championship 2012
54	AYUMI OSAGAWA	Japan	220	6	Japan Open 2025
55	YUKI SAKAKI	Japan	216	6	East Asia Open 2025
56	RYO KOBAYASHI	Japan	208	6	Japan Open Memory Championship 2019
56	YUZUKI TAKAOKA	Japan	208	12	Japan Open Memory Championship 2019
56	KAORI ARAI	Japan	208	6	Japan Open 2025
59	EMI MABUCHI	Japan	202	6	East Asia Open 2025
60	KONOMI NAKAHARA	Japan	200	6	Australian Open Memory Championship 2018
60	ETSUKO NOGAMI	Japan	200	7	Japan Open 2025
62	EMI MABUCHI	Japan	184	6	Japan Open 2025
63	TAKERU AOKI	Japan	180	10	OZ Open Memory Champs 2013 - Powered by life's DHA
63	YUSUKE SUZUKI	Japan	180	5	Japan Open Memory Championship 2018
63	YUKI SAKAKI	Japan	180	6	Japan Open 2025
66	NAOYA HIRATA	Japan	176	13	2nd Korea OPEN Champs 2018
67	NAKAGAWA TAKASHI	Japan	174	5	Japan Open Memory Championship 2017
68	TAKERU AOKI	Japan	170	10	Friendly (Cambridge) Memory Championship 2013
69	NAOYA HIRATA	Japan	168	13	Hong Kong Open Memory Championship 2016
69	SHOHEI HARA	Japan	168	5	Japan Open Memory Championship 2019
71	HIROSHI ABE	Japan	160	5	Singapore Open Memory Championship 2017
71	NAKAGAWA TAKASHI	Japan	160	5	Japan Open Memory Championship 2015
71	KAMICHO HIROKAZU	Japan	160	7	Taiwan Open Memory Championship 2017
71	YUSUKE NAITO	Japan	160	5	Japan Open Memory Championship 2019
71	TAKAFUMI SAKAKIBARA	Japan	160	5	Japan Open Memory Championship 2019
76	HIROSHI ABE	Japan	152	5	Japan Open Memory Championship 2016
77	KAZUHIRO TOKUDA	Japan	148	4	Japan Open 2025
77	TAKAFUMI SAKAKIBARA	Japan	148	5	East Asia Open 2025
79	KEIKO KAWASHIMA	Japan	140	4	Japan Open 2025
80	ASUKA OHASHI	Japan	132	4	Hong Kong Open Memory Championship 2013
81	HIROSHI ABE	Japan	124	5	2nd Korea OPEN Champs 2018
82	HIROSHI ABE	Japan	120	5	Korea Open Memory Championship 2017
82	YUZUKI TAKAOKA	Japan	120	12	2nd Korea OPEN Champs 2018
82	HIROSHI ABE	Japan	120	5	Japan Open Memory Championship 2015
82	TAKAHIKO MATSUO	Japan	120	3	Japan Open Memory Championship 2016
82	NAKAGAWA TAKASHI	Japan	120	5	Japan Open Memory Championship 2016
82	HIROSHI ABE	Japan	120	5	Australian Open Memory Championship 2018
88	RYOHTO SAWADA	Japan	114	3	Japan Open Memory Championship 2014
89	KEIZO NAKAGAWA	Japan	110	3	Japan Open Memory Championship 2016
90	NAOKO YAZAWA	Japan	104	3	Japan Open 2025
91	HIROMITSU HISHIDA	Japan	90	2	Japan Open Memory Championship 2019
92	MASAYUKI WADA	Japan	88	2	Japan Open Memory Championship 2018
93	KEIZO NAKAGAWA	Japan	84	3	Japan Open Memory Championship 2015
93	KAORI TSUJIKUBO	Japan	84	2	Japan Open Memory Championship 2018
93	EIKO OHARA	Japan	84	2	Japan Open Memory Championship 2018
96	HIROSHI ABE	Japan	80	5	Hong Kong Open Memory Championship 2016
96	YUTA TSUTSUMI	Japan	80	2	Japan Open Memory Championship 2016
96	MARIKA NISHIGUCHI	Japan	80	2	Japan Open Memory Championship 2016
96	SHUNSUKE HOSOI	Japan	80	2	Japan Open Memory Championship 2018
96	TOMOYA KUBO	Japan	80	2	Japan Open Memory Championship 2018
96	HIROSHI ABE	Japan	80	5	Japan Open Memory Championship 2018
96	TOMOYUKI NAKATA	Japan	80	2	Hong Kong Open Memory Championship 2013
96	MIONO NAMATAME	Japan	80	2	Japan Open 2025
104	KEIZO NAKAGAWA	Japan	60	3	Korea Open Memory Championship 2017
104	REINE TSUJIKUBO	Japan	60	1	Japan Open Memory Championship 2018
104	MOTOYUKI KUMAKI	Japan	60	1	Japan Open Memory Championship 2018
104	HIROSHI ABE	Japan	60	5	1st Taiwan Open Memory Championship 2015
104	MIONO NAMATAME	Japan	60	2	East Asia Open 2025
109	RINNE TSUJIKUBO	Japan	52	1	Japan Open Memory Championship 2018
110	TAKERU AOKI	Japan	50	10	Taiwan Open Memory Championship 2017
111	MARIKA NISHIGUCHI	Japan	40	2	Japan Open Memory Championship 2015
111	KEIZO NAKAGAWA	Japan	40	3	Japan Open Memory Championship 2017
111	KEIZO NAKAGAWA	Japan	40	3	Japan Open Memory Championship 2018
111	NORIKAZU TANAKA	Japan	40	1	Japan Open Memory Championship 2019
111	SAYURI TAKAHASHI	Japan	40	1	Japan Open 2025
116	TOMOYUKI NAKATA	Japan	20	2	Japan Open Memory Championship 2014
116	MANA OHARA	Japan	20		Japan Open Memory Championship 2018
118	YASUSHI TAKEMASA	Japan	12		Japan Open 2025
119	TAKERU AOKI	Japan	10	10	2nd Korea OPEN Champs 2018
120	YUZUKI TAKAOKA	Japan	6	12	Japan Open Memory Championship 2018
121	HIROSHI ABE	Japan	2	5	Japan Open Memory Championship 2019
122	KENJI TAKAGI	Japan	0	9	Japan Open Memory Championship 2016
122	AYUTA TONOMURA	Japan	0		Japan Open Memory Championship 2017
122	HINA OHARA	Japan	0		Japan Open Memory Championship 2018
122	KAZUMA TAKAYANAGI	Japan	0		Japan Open Memory Championship 2018
122	HARUMI YAMADA	Japan	0		Japan Open 2025
122	RIZU TAKAOKA	Japan	0	8	East Asia Open 2025