Fumiaki Ohtake — Lens Patent Author | Surface & Stop

Fumiaki Ohtake4 related patents across 4 interactive lens diagrams.
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Nikon Corporation (4)
Nikon Corporation(4)WO 2021/117429 A1↗2021Assignee: Nikon Corporation
Inventors: Fumiaki Ohtake
Example 1NIKON NIKKOR Z 20mm f/1.8 S— 20 mm, f/1.8
WO 2021/117563 A1↗2021Assignee: Nikon Corporation
Inventors: Fumiaki Ohtake, Azuna Nonaka, Yoshiharu Yuasa, Takeshi Umeda
Example 4NIKON NIKKOR Z 14-24mm f/2.8 S— 16 ELEMENTS / 11 GROUPS, f = 14.4–23.3 mm (patent) / 14–24 mm (production)
JP 2023-23323 A↗2023Assignee: Nikon Corporation
Inventors: Masaki Ito, Satoshi Miwa, Fumiaki Ohtake
Example 6NIKON NIKKOR Z 800mm f/6.3 VR S— 22 ELEMENTS / 14 GROUPS, PATENT f = 779.99933 mm
WO 2024/214585 A1↗2024Assignee: Nikon Corporation
Inventors: Fumiaki Ohtake
Example 2NIKON NIKKOR Z 24-70mm f/2.8 S II— 14 ELEMENTS / 10 GROUPS, DESIGN f = 24.70–67.87 mm