Some interesting info from Dengeki Playstation 20th Anniversary interviews and early Famitsu stuff:
Square Enix: (Akitoshi Kawazu):
Square Enix: (Matomu Toriyama):
Nippon Ichi Software (Shinkawa Sohei):
Koei:
Capcom (Hiroyuki Kobayashi):
Falcom:
Atlus (Shoji Meguro):
Spike-Chunsoft (Kotaro Uchikoshi):
Spike-Chunsoft (Kodaka Kazutaka):
Spike-Chunsoft (Yoshinori Terasawa):
B.B. Studio (Terada Takanobu):
SCEJ (Keiichiro Toyama):
Capcom (Hideaki Itsuno):
Capcom (Minaeu Matsukawa):
Level 5 (President & the Time Travelers Director guy):
It also looks like MGSV will be Playstation exclusive in Japan.
Square Enix: (Akitoshi Kawazu):
Currently preparing a new Saga title. Special info coming soon!
Square Enix: (Matomu Toriyama):
Preparation is currently underway for a brand new title.
Nippon Ichi Software (Shinkawa Sohei):
If Disgaea 5 doesn't sell as planned then we might not still be in business the year after. Even though Bloodborne is now releasing the same day, we really hope people will pick up both titles at once.
Koei:
Currently progressing well in development for new things related to Kagerou: Dark Illusion (Deception in the West)
Capcom (Hiroyuki Kobayashi):
Lots of project announcements happening in 2015 for Sengoku Basara's 10th Anniversaray. Look forward to it!
Falcom:
New game announcement coming soon. Will not be from the Kiseki or Ys series.
Atlus (Shoji Meguro):
Atlus (Kazuhisa Wada):We have some other unannounced games that aren't Persona 5.
We've added a big new artist for Persona 4 Dancing
Spike-Chunsoft (Kotaro Uchikoshi):
Lots of titles to be announced next year and the year after
Spike-Chunsoft (Kodaka Kazutaka):
I'm currently working on a title that will be a huge surprise.
Spike-Chunsoft (Yoshinori Terasawa):
We are currently making proper preparations for the new Danganronpa title.
B.B. Studio (Terada Takanobu):
We are currently developing the Super Robot Z Series Final Chapter and the Third Dimension Z Heaven Chapter.
SCEJ (Keiichiro Toyama):
Fumito Ueda (The Last Guardian dude~):This is from the Gravity Rush team that hasn't released any information in a long time, but the game is progressing well. All the time it's taking just means the game we are making is going to be amazing, so please look forward to it.
The Last Guardian has had lots of growing pains, but talks with SCE management have all been cleared and development is currently underway in a different environment (PS4 move most likely). I'm also working on other things.
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Capcom (Hideaki Itsuno):
We have a number of games in development. One of them will be announced soon.
Capcom (Minaeu Matsukawa):
We're hoping to let everyone know and play a new game we currently have in development in 2015.
Level 5 (President & the Time Travelers Director guy):
Not just satisfied with the massive success of Youkai Watch and hoping to keep creating new big games. Hoping to bring some in 2015.
It also looks like MGSV will be Playstation exclusive in Japan.