Nikon’s patent application for a 35mm f/1.4 lens was reported back in August last year (patent application 20090086340).
On February 16, 2010 the USPTO approved the patent for this lens (7663816):
Specifications:
f = 36.000
FNO = 1.45
ω = 31.53
Y = 21.6
TL = 131.135
Bf = 38.02909
