The Nikon logo over the years:
Foundation: brand symbol originally used for the company letterhead from the establishment of Nippon Kogaku K.K.
1930s: brand symbol created based on a lens image.
1949: this design was used for brochures and the English-language company letterhead.
1968: designed by Mr. Yusaku Kamekura. This brand symbol is known as “Track Nikon” or “Track mark”.
1988: when the company name was changed to Nikon Corporation, a new brand symbol employing a blue color was adopted.
2003: The current brand symbol was introduced.
Via Nikon
