Mitsuaki Wada — Lens Patent Author | Surface & Stop

Mitsuaki Wada3 related patents across 3 interactive lens diagrams.
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Nikon Corporation (3)
Nikon Corporation(3)US 7,898,744 B2↗2011Assignee: Nikon Corporation
Inventors: Mitsuaki Wada
Example 2NIKON AF-S MICRO-NIKKOR 60mm f/2.8 G ED— 12 ELEMENTS / 9 GROUPS, f ≈ 58.0 mm (patent) / 60 mm (marketed)
JP 2013-250293 A↗2013Assignee: Nikon Corporation
Inventors: Masashi Yamashita, Mitsuaki Wada
Example 1NIKON AF-S NIKKOR 800mm f/5.6 E FL ED VR— 20 LENS ELEMENTS / 13 GROUPS + PROTECTIVE GLASS, PATENT DESIGN EFL ≈ 779.921 mm
WO 2019/131993 A1↗2019Assignee: Nikon Corporation
Inventors: Mitsuaki Wada, Masashi Yamashita
Table 8NIKON AF-S NIKKOR 180-400mm f/4 E TC1.4 FL ED VR— TC OUT — EXAMPLE 1, 27 ELEMENTS / 19 GROUPS