Nikon filed a patent in Japan for a 1 Nikkor 13mm f/1.8 mirrorless lens (for 1″ sensor). There have been several Nikon 1 lens patents in the past few months:
For reference, here is the list of currently available Nikon 1 lenses:
The last Nikon 1 lens was introduced in March, 2014 (together with the V3). I expect new Nikon 1 products to be announced in the upcoming weeks/months.