We know of 8 organisations that are using Ruby on Rails in Japan.

Autify

Chuo City, Japan

large

2016

Bebot

Shibuya City, Japan

midsize

2015

Brightcove

Boston, Japan

massive

2004

Cookpad

Shibuya, Japan

large

1997

HeartCore Enterprises

Tokyo, Japan

unknown

—

TableCheck

Chuo City, Japan

large

2011

YAMASA

Choshi, Japan

small

—

株式会社アジャイルウェア

Osaka, Japan

midsize

2012