|1953–1957||1957–1969||1969–1983||1984–1994, 1984–present (Japan)||1994–2002||2002–present|
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The font was changed and the hexagon inverted in the 70's.
As of 2020, this logo can still be seen at only one location in California.
1984–1994, 1984–present (Japan)
The lettering was smoothed out in the 80s. This logo is still intact in a few locations in California. It is currently still in use in Japan.