|Fast facts on Sega AM4|
|Merged into: Sega Mechatronics (1999)|
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Sega Amusement Machine Research and Development Department #4, commonly known as Sega AM R&D #4 or Sega AM4, was a research and development division within Sega. The AM4 name was adopted in 1990 after the internal AM and CS teams were separated. It was previously known as R&D4.
Unlike Sega AM1, Sega AM2 and Sega AM3, Sega AM4 was responsible for the creation of arcade cabinets, and thus outside of an advisory role, had no influence in the development of video games. However with machines like the UFO Catcher and other mechanical engineering archievments it gained noteriety on it's own as well.
AM4 produced the vast majority of Sega arcade machines of the 1990s. AM4 credits remain inconsistent however, with it sometimes being credited and other times not.
AM4 continued its role as Sega Mechatronics from 1999.
|Domestic Sega studios|
|CSK||Sega Sammy Holdings|
|Sega Enterprises, Ltd.||Sega Corporation||Sega Games & Interactive|
|Sega AM1||WOW Entertainment||Sega WOW||Sega AM1|
|Sega AM11||R&D #4||Amusement Vision||New Entertainment||Sega CS1|
|Ryu ga Gotoku Studio|
|Sega AM3||Hitmaker||Sega AM3|
|AM Annex||R&D #5||Sega Rosso|
|Sega AM4||Sega Mechatronics||Product R&D|
|N. Pro. R&D|
|Sega AM5||Mirai R&D||Family Entertainment|
|Sega R&D2||Sega CS||Sega CS1||R&D #6||Smilebit||Sega Sports Design|
|Sega PC||Online R&D|
|Sega CS2||R&D #7||Overworks||GE2||Sega CS3|
|Sega CS3||R&D #8||GE1||Sega CS2|
|R&D #9||United Game Artists|
|Sega Sound Team|
|Sega Digital Studio||Wave Master||Wave Master (label)|
|Mobile Content R&D||Sega Networks|
|Visual Entertainment||Marza Animation Planet|