It was developed by Sony
Shortly after the console I imagine.
The first console was introduced in 1995.
Sony did.
The playstation console was brought out.
The Play Station 3 was invented in 2005.
no you can not play a PS2 game in a PS1 console
No it does not
yes yes
Ken Kutaragi "The success of the PlayStation led to him heading up the development of more consoles like the PlayStation 2, and the latest console in the series, the PlayStation 3." quote about his contribution from related link
It is the second Playstation Console released under the name Playstation
They did not use the number at first because it was just called the PlayStation. The next console was the PlayStation 2 released 6 years after the 1994 PlayStation release
PS3 was released in November 2006 in North America