A Japanese patent application filed by Nintendo reveals an accessory you slide on to a Wii remote and turns it into a touchpad.

Flash games… for PlayStation 3? Sure, you can hook up a keyboard to control them, but Sony has another idea. A patent application reveals control schemes using a PS3 controller, Move, and gesture controls.

Sony’s NGP and PSPgo style Xperia Play tout touchscreens and cellular antennas as new features. Did you know Sony was developing an accessory to add both features to the PSP?

Nintendo was (and perhaps still is) working on a mood lighting accessory for the Wii that reacts to how you play a video game.

Namco Bandai, it seems, is working on an alternate reality game. A patent filed in the USPTO details a ghost tapping game played on a device that looks a lot like a Nintendo DS.

Sony Computer Entertainment America may have a Kinect rival. Not a controller-free environment, but a new device that tracks the location of players and has voice control.

Most PlayStation 3s are not backwards compatible, but Sony may be investigating an external adapter to act as a bridge.

The Wii, currently, does not have a hard drive. However, Nintendo appears to be considering one since they filed a patent for a process that transfers Wii games to a hard drive.

PSPgo lets users control PSP games with a PlayStation 3 controller. Nifty, but what if you have a regular PSP? Well, there’s this idea.

Sony was, possibly still is, working on a skateboard controller of their own. We found a device similar to Activision’s Tony Hawk Ride controller in a patent application filed by Sony Computer Entertainment.

Nintendo filed a patent application for a new kind of cartridge, which appears to be for a Nintendo DS or Nintendo DS-like device.

Sony appears to be working on a new kind of video game demo. A patent filed by SCEA details a system that gives users a full or nearly complete game to play with, but slowly removes features until you buy it.

Move over Taiko no Tatsujin! Namco Bandai is working on another drum game, one that doesn’t require a plastic drum.

In addition to Kingdom Hearts: Birth by Sleep and Final Fantasy Agito XIII, Tetsuya Nomura has some top secret projects in the works. That’s what he told Famitsu and we may have a glimpse at one of them.