Yuichi Gyoda — Lens Patent Author | Surface & Stop

Yuichi Gyoda4 related patents across 4 interactive lens diagrams.
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Canon Inc. (4)
Canon Inc.(4)JP 2015-111192 A↗2015Assignee: Canon Inc.
Inventors: Yuichi Gyoda
Numerical Example 1CANON EF-S 24mm f/2.8 STM— 6 ELEMENTS / 5 GROUPS, f ≈ 24.5 mm
US 2018/0074300 A1↗2018Assignee: Canon Inc.
Inventors: Yuichi Gyoda, Kohei Kimura
Numerical Value Data 2CANON EF-M 18-150mm f/3.5-6.3 IS STM— 17 ELEMENTS / 13 GROUPS, DESIGN f = 18.56–145.41 mm
US 2020/0257181 A1↗2020Assignee: Canon Inc.
Inventors: Yuichi Gyoda
Example 1CANON RF 15-35mm f/2.8 L IS USM— 16 elements / 12 groups, 3 aspherical elements (6 surfaces)
JP 2021-86024 A↗2021Assignee: Canon Inc.
Inventors: Yuichi Gyoda
Numerical Example 2CANON RF-S 18-45mm f/4.5-6.3 IS STM— 7 ELEMENTS / 7 GROUPS, 18–45mm f/4.5–6.3 (marketed)