"Raiden (雷電, raiden) is a scrolling shooter and a popular series of arcade games by Seibu Kaihatsu initially available in arcades in Japan and later distributed to other countries by Fabtek and other arcade game manufacturers.
The game that began the franchise was Raiden, which has been 26 months at the top 10 in the charts. It was ported for the PlayStation as The Raiden Project, and other ports, including Amiga, Atari Jaguar, NEC's TurboGrafx-16, NEC's Turbo Duo (known as Super Raiden includes Redbook audio & 2 extra levels) Atari Lynx, Super Nintendo, PC, Sega Genesis and the mobile phone.
Seibu Kaihatsu developed the Raiden games and its related spin-offs from 1990 until 1998. The license of Raiden was recently purchased by MOSS Ltd. Since 2005, all Raiden games have been on various Taito boards (Taito Type X)."
Source: Wikipedia, "Raiden_series", available under the CC-BY-SA License.