Yasumoto Oginome — Lens Patent Author | Surface & Stop

Yasumoto Oginome2 related patents across 2 interactive lens diagrams.
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Sigma Corporation (2)
Sigma Corporation(2)JP 2019-144477 A↗2019Assignee: Sigma Corporation
Inventors: Yasumoto Oginome
Numerical Example 1SIGMA 105mm f/1.4 DG HSM | Art— 17 elements / 12 groups, f = 101.85 mm design
JP 2025-099854 A↗2025Assignee: Sigma Corporation
Inventors: Yasumoto Oginome
Numerical Example 3SIGMA 15mm f/1.4 DG DN DIAGONAL FISHEYE | Art— 21 ELEMENTS / 15 GROUPS, DESIGN f = 15.50 mm