As you already know, the Tokyo Game Show 2016 begins next Thursday, September 15 and runs until the 18th. There will be big news from all the major Japanese publishers; Sony, Capcom, Square Enix, Bandai Namco and more.
Expect Sony to have a big presence. Their press conference is happening September 13 at 4 p.m. JST/ 12 a.m. PT/ 3 a.m. ET. Sony just had their own PlayStation meeting where they revealed new hardware, so their Tokyo Game Show 2016 is wide open for software announcements.