תיבות הנגינה של Rokuichi Yamada מיפן מתחרות עם התיבות השוויצריות

Prior to World War II, the Japanese, not to be outdone,
had developed exquisite clocks enriched with intricate musicals of their own
design.

In 1947, Rokuichi Yamada founded Sankyo Manufacturing
Company, and imitating the Swiss, became the most prominent supplier of musicals
in the east, rivaling the sound and quality of the best in Switzerland.

מתוך http://www.worldofmusicboxes.com/history/