PS1 gen.
Squaesoft (Final Fantasy, Xenogears, Chrono Cross)
Konami ( Metal Gear Solid, Azure Dreams, Suikoden, SIlent Hill)
Capcom ( Resident Evil, Breathe Of fire)
Honorable mention for Sony ( Wild arms, Legend of Legaia, Legend of Dragoon)
PS2 Gen
Squaresoft (KH, Final Fantasy)
Konami ( Metal Gear, Suikoden, SIlent Hill)
Atlus ( Persona and SMT series)
Honorable mention Sony again ( Wild arms, Dark Cloud, Shadow of Colossus/ICO,
PS3
Sony ( uncharted, last of us, Killzone 2, inFamous, Heavy Rain, LBP)
Konami (Metal Gear)
A battle between SE and SEGA
SEGA ( Yakuza)
PS4
Sony ( BloodBourne, UNcharted, inFamous, Horizon,
Sega/Atlus( Persona 5, Yakuza)
SE ( final Fantasy, DQ, KH)
DS
Level-5 ( Professor Layton)
Nintendo (Pokemon)
Atlus ( SMT)
3DS
Nintendo ( pokemon)
Atlus ( SMT)
SE ( Bravely Default, FF explorers, DQ DQM)
Level-5 ( Yokai watch)