National Records: Japan

Discipline	Score	Competitor	Country	Competition
30-minute Numbers	890	YOSHIHIRO IKEDA	Hong Kong Open Memory Championship 2014
30-minute Binary	2682	MOTORO OHNO	Asia Open Memory Championship 2019
30-minute Cards	468 (9 decks)	RYO KOBAYASHI	Asia Open Memory Championship 2019
5-minute Numbers	480	NAOKI MIWA	IAM Egypt Open 2022
5-minute Binary	1104	NAOKI MIWA	IAM Egypt Open 2022
10-minute Cards	432 (8.31 decks)	NAOKI MIWA	IAM Egypt Open 2022
15-minute Words	166	SAYAKA HOKAZONO	European Open Memory Championship 2023
15-minute Names & Faces	108	NAOKI MIWA	World Memory Championship 2023
Hour Cards	1104 (21.23 decks)	NAOKI MIWA	World Memory Championship 2023
Hour Numbers	2656	NAOKI MIWA	World Memory Championship 2023
Speed Cards	22.34 seconds	NAOKI MIWA	Japan Open 2025
5-minute Words	100	NAOKI MIWA	East Asia Open 2025
15-minute Numbers	968	NAOKI MIWA	East Asia Open 2025
Spoken Numbers	230	NAOKI MIWA	East Asia Open 2025
5-minute Names & Faces	59	NAOKI MIWA	Japan Open 2026
5-minute Dates	104	NAOKI MIWA	Japan Open 2026
5-minute Images	467	YASUHIRA YAMAGUCHI	Japan Open 2026