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Chronology

1910 - 1929

1912
  • Founder, Tokuji Hayakawa, invents the Tokubijo snap buckle and acquires utility model design patent
  • Establishes metalworking shop in Matsui-cho, Honjo-ku, Tokyo (now Shin-ohashi, Koto-ku, Tokyo) on September 15
1914
  • Moves to Hayashi-cho, Honjo-ku, Tokyo (now Tachikawa, Sumida-ku, Tokyo)
  • Installs one-horsepower electric motor
1915
  • Invents Hayakawa Mechanical Pencil and begins export to the US and Europe
  • Establishes Hayakawa Brothers Shokai
1920
  • Establishes branch factory in Oshiage, Tokyo (now Yahiro, Sumida-ku, Tokyo)
1923
  • All factories destroyed during Great Kanto Earthquake
  • Dissolves Hayakawa Brothers Shokai and relocates to Osaka
1924
  • Establishes Hayakawa Metal Works in Tanabe-cho, Higashinari-gun, Osaka Prefecture (now the location of the Head Office)
1925
  • Succeeds in assembling first Japan-made crystal radio set; begins mass production and sales
  • Establishes sales office in Utsubo, Osaka
1926
  • Begins export of radio sets and components to China, Southeast Asia, India, and South America
  • Establishes Tokyo office in Hayashi-cho (Honjo-ku, Tokyo), a former site of the company’s factory
  • Adopts assembly-line production for radios
1927
  • Holds Sharp radio trade fairs in Kyushu, Japan and Shanghai, China
1929
  • Releases AC vacuum-tube radios

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