Kiwaya
Okamoto Kitaro originally founded Kiwaya キワヤ to repair gramophones. Since then, however, the company changed under his son Ryōji in the 1950s for instrument making and is today the oldest and most important Japanese ukulele maker. Their ukuleles were aiming at the designs of Martin and Kamaka. Most of their ukuleles are produced in Maebashi by Mitsuba Gakki. Most of their ukuleles are produced by Mitsuba Gakki in Maebashi.