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History of portable lights


1885 Sakizou Yai (Japan) invents the dry battery.
1888 Gassner (Germany) invents the dry battery.
It is said that the portable light was first created at this time.
1899 Portable light (using "D" dry batteries) production starts in the USA.
1907 Portable light production starts in Japan.
Taisho Era Dry batteries, such as "lamp #5," "lamp #6," and "lamp #7" are created for use with portable lights.
1923 Long-lasting dry-battery light is released for use with bicycles. Accordingly, portable lights rapidly become popular.
Around 1945 Dry battery types are standardized as "D," "C," "AA," etc.
1948 Japan Portable Lights Industries Association is founded.
1951 JIS standards for portable lights are established.
1966 Japan Portable Lights Industries Association becomes Japan Portable Lights and Battery Appliance Industries Association
1966 Searchlights and regular lights are released.
1968 Emergency signal lights for automobiles are released.
1982 Japan Portable Lights and Battery Appliance Industries Association and Japan Battery and Appliance Industries Association merge.
1996 White LED is developed.
1997 A decision is made to abolish JIS standards for portable lights.
  KGS standards (Japanese dry battery industrial standards) are established.
1999 Battery industrial standards for portable lights (SBA standards) are established.
2000 LED light production starts in Japan.
2003 SBA portable light standards are revised (2003 revision).
2004 JIS standards for portable lights are abolished.
2008 SBA portable light standards are revised (2008 revision).
2009 ANSI/NEMA FL 1 : Flashlight Basic Performance Standards are established in the USA.
2012 SBA portable light standards are revised (2012 revision).