US 4,396,256 A↗1983Assignee: Nippon Kogaku K.K.Inventors: Daijiro FujieEmbodiment 1NIKON AI NIKKOR 85mm f/1.4 S— 7 ELEMENTS / 5 GROUPS, f ≈ 85.0 mm
US 4,690,517↗1987Assignee: Nippon Kogaku K.K.Inventors: Daijiro FujieEmbodiment 1NIKON AF NIKKOR 20mm f/2.8 D— 20mm, f/2.8