Sega Mechatro Kenkyuu Kaihatsubu (セガメカトロ研究開発部), or Mechatro R&D Department was a research and development department of Sega, created in 1999 as a replacement for Sega AM4 and Sega AM6. The name is a portmanteau of "mechanics" and "electronics". It appears to have been an internal term for Sega's engineering sections as early as the late 1980s, with it persisting throughout the following decade, and even continuing to see usage in more recent years.
Like its predecessors, Mechatro continued to produce the physical equipment used in arcade games (e.g. cabinets), and was often left uncredited for its work. However, it notably also made more software by itself during this period, developing Club Kart: European Session and other titles.
In April 2005, following the Sega Sammy Holdings merger, Mechatronics R&D Dept. was made a part of the Amusement Products R&D Group of Amusement R&D Div, alongside Hardware R&D Dept. and Mechanical Products R&D Dept.[7]. It continued it's role as Product R&D in October of 2009.
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