Noriyuki Ogasawara — Lens Patent Author | Surface & Stop

Noriyuki Ogasawara4 related patents across 4 interactive lens diagrams.
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Sigma Corporation (4)
Sigma Corporation(4)JP 2010-101979 A↗2010Assignee: Sigma Corporation
Inventors: Noriyuki Ogasawara
SIGMA 24mm f/2.8 (Sigma DP2x)— 7 ELEMENTS / 6 GROUPS, f ≈ 24.1 mm
JP 2012-058682 A↗2012Assignee: Sigma Corporation
Inventors: Noriyuki Ogasawara
SIGMA APO Macro 105mm f/2.8 EX DG OS HSM— 16 elements / 11 groups, 105 mm marketed; 101.71 mm design
JP 2014-126652 A↗2014Assignee: Sigma Corporation
Inventors: Noriyuki Ogasawara
SIGMA 50mm f/2.8 (Sigma DP3 Merrill)— 10 ELEMENTS / 8 GROUPS, f ≈ 48.7 mm
JP 2016-139087 A↗2016Assignee: Sigma Corporation
Inventors: Tomoki Kono, Noriyuki Ogasawara
SIGMA 14mm f/4 (Sigma dp0 Quattro)— 11 ELEMENTS / 8 GROUPS, f ≈ 13.97 mm