The first PS3 was invented in 2008.
No one person invented the ps3, rather it was a team effort with contributions from many people and companies, such as Intel which developed the cell which is used in the system. So no one person can be credited with the invention of the ps3. Ken Kutaragi is credited with inventing the PS3. The person who heads a team gets credit for what the team has accomplished. He is considered the Founder of Playstation. Read the related Wikipedia link on Ken Kutaragi proved under related links
2008
Japan
it was release for sale in 2006 and invented earlier see related link for early PS3 models
It was invented in Japan and work started on it in 2005.
Japan
Kawasaki
to compete with xbox 360
Sony Entainment
Sony. To make money.
To compete with xbox 360