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 Names & Faces	47	NAOKI MIWA	IAM Egypt Open 2022
5-minute Binary	1104	NAOKI MIWA	IAM Egypt Open 2022
5-minute Words	95	NAOKI MIWA	IAM Egypt Open 2022
10-minute Cards	432 (8.31 decks)	NAOKI MIWA	IAM Egypt Open 2022
5-minute Dates	93	NAOKI MIWA	IAM Egypt Open 2022
15-minute Numbers	808	NAOKI MIWA	IAM Egypt Open 2022
Spoken Numbers	152	NAOKI MIWA	IAM Egypt Open 2022
Speed Cards	26.36 seconds	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
5-minute Images	425	YASUHIRA YAMAGUCHI	World Memory Championship 2024