Hideki Mitsui has a Script credit on Magikano and a Series Composition credit on Magical Circle Guru Guru 2.
script
TV anime / 2006
series composition
TV anime / 2000
TV anime / 1999
storyboard
ONA / 2008
Movie / 1996
TV anime / 1993
Movie / 1992
script (eps 3, 6, 7, 9, 10, 13, 15, 19, 21)
TV anime / 1989