Nikon filed a patent in Japan for a fast zoom for Nikon 1 mirrorless cameras: 1 Nikkor 9-30mm f/1.8-2.8.
Another interesting Nikon patent is for a “do-it-yourself” modular lens – you can pick the needed pieces from a pre-defined set and build your own Nikkor lens:
Different lens combinations and attachment methods were described in the patent:
The third patent for today is a mount adapter with a built-in lens shutter:
