Takeharu Nakada — Lens Patent Author | Surface & Stop

Takeharu Nakada2 related patents across 2 interactive lens diagrams.
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Canon Inc. (2)
Canon Inc.(2)US 2023/0213745 A1↗2023Assignee: Canon Inc.
Inventors: Takeharu Nakada
Example 4CANON RF 135mm f/1.8 L IS USM— 17 ELEMENTS / 12 GROUPS, f ≈ 130.9 mm
JP 2025-50505 A↗2025Assignee: Canon Inc.
Inventors: Takeharu Nakada
Numerical Example 5CANON RF-S 14-30mm f/4-6.3 IS STM PZ— 10 ELEMENTS / 9 GROUPS, f ≈ 14.41–29.35 mm