It began as "ラジオ東京テレビ", alternatively known as "KRテレビ", named after JOKR-AM/FM as the call letters "JOKR-TV" which broadcasted as a analog channel 6 for 56 years.
Tokyo Broadcasting System
When "KRT" changed the name to 東京放送 i.e. Tokyo Broadcasting System (TBS), and the headquarters and radio studio were moved to the main building in Akasaka. Its logo consisted as an initial letters and the name "Tokyo Broadcasting" on November 29, 1960.
In August 1961, the logo left with the initial letters as a cursive font, nine months after the renaming from KRT.
On September 30, 1991, the logo changed as inspiration of a Memphis design from the 1980s with two spheres connecting on the left "B". This logo was popularly nicknamed "Micro Cosmos"; however, due to its complicated design, an alternative variant was also used, especially in credits.
On October 3, 1994, The present headquarters, TBS Broadcasting Center, were completed next to the old headquarters (later renamed as Akasaka Media Building until its demolition in 2003). They are called "Big Hat". Nine months after, the 1994 logo was unveiled as wordmark a Times New Roman bold expanded font, The wordmark was maintained as a corporate logo until 2020.
In February 2000, TBS adopts a mascot which is based on the Kanji symbol for "person" placed on a red background. On March 1, 2001 TBS establishes a consolidated subsidiary "TBS Live Co., Ltd." (currently TBS TV Co., Ltd.) which produces information programs, separating the company and dividing the business. On October 1, 2001, the TV call letters also changed from JOKR-TV to JORX-TV, named after the "Radio", plus the official name changed from Tokyo Broadcasting System to TBS Television to do not confused with the holding company.
At 11 am on December 1, 2003, the digital terrestrial television broadcast begins as a replacement of the analog transmissions that lasted until July 24, 2011. On the very day of the Digital TV transmission, the red background logo took off, leaving the "person" that changed to red.
TBS Sans TP
On April 1, 2020, TBS unveils a new logo after 26 years of the Times New Roman font. The 66.6 degree line that connects from T's foot to S' stems is a new area centered on B, and the intention to extend to the future, and 23.4 degrees is the earth's axis.