Imperial Hotel, Tokyo officially opened in June 1923. The Frank Lloyd Wright annex (one of six Wright designs for Japan that was actually built) was destroyed in the Great Kantō earthquake on 1 September 1923, although by that time it was no longer in use. The Frank Lloyd Wright version was designed in the Maya Revival Style of architecture. It incorporates a tall, pyramid-like structure, and also loosely copies Maya motifs in its decorations. The main building materials are poured concrete, concrete block, and carved oya stone. The visual effect of the hotel was stunning and dramatic, though not unique; in recent years,
Lincoln Logs invented sometime around 1916–1917 when John Lloyd Wright was working in Japan with his father. The mold for the toy was based on the architecture of the Imperial Hotel in Tokyo, designed by the inventor's father. The foundation of the hotel was designed with interlocking log beams, which made the structure "earthquake-proof". When he returned to the U.S., John organized The Red Square Toy Company (named after his father's famous symbol), and marketed the toy in 1918. Wright was issued U.S. patent 1,351,086 on August 31, 1920, for a "Toy-Cabin Construction". Soon after, he changed the name to J. L.