15-minute Numbers - All-Time Best Scores

Japan

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