Most prolific publisher of Strategy RPGs
Nippon Ichi
The most prolific publisher of Strategy Role-Playing video games is Nippon Ichi Software, which has brough 14 separate releases to market, not including regional variations, as of May 2009. The full list of titles is below:

Rhapsody (PS1)

Disgaea (PS2)

La Pucelle Tactics (PS2)

Phantom Brave (PS2)

Phantom Brave Special Edition (PS2)

Makai Kingdom (PS2)

Generation of Chaos (PSP)

Spectral Souls (PSP)

Soul Nomad (PSP)

Disgaea (PSP)

Disgaea 3 (PS3)

Disgaea 2 (PSP)

Rhapsody (DS)

Disgaea DS (DS)

Disgaea 2 (PSP)