Takahiro Hatada — Lens Patent Author | Surface & Stop

Takahiro Hatada8 related patents across 9 interactive lens diagrams.
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Canon Inc. (8)
Canon Inc.(8)US 2008/0112063 A1↗2008Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON EF-S 55-250mm f/4-5.6 IS— 12 ELEMENTS / 10 GROUPS, PATENT EFL 56.9-241.3 mm
US 2010/0033848 A1↗2010Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON EF 24mm f/1.4 L II USM— 13 ELEMENTS / 10 GROUPS, f = 24.539 mm (DESIGN)
US 2013/0308041 A1↗2013Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON EF 200-400mm f/4 L IS USM EXTENDER 1.4×— 24 ELEMENTS / 19 GROUPS (PATENT ACTIVE; REAR FILTER EXCLUDED), 200–400mm f/4 MARKETED
US 8,736,971 B2↗2014Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON EF 24-70mm f/2.8 L II USM— 18 elements / 13 groups, 24-70 mm f/2.8 marketed; 24.70-67.88 mm F/2.91 patent design
US 2015/0146085 A1↗2015Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON EF 11-24mm f/4 L USM— 16 elements / 11 groups, 11-24 mm f/4 marketed; 11.33-23.28 mm F/4.12 patent design
US 2016/0062096 A1↗2016Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON ZOOM LENS 8.8-36.8mm f/1.8-2.8 (PowerShot G7 X)— Patent f=9.06-35.69 mm, Marketed 8.8-36.8 mm
US 2019/0278068 A1↗2019Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON RF 24-105mm f/4 L IS USM— 18 ELEMENTS / 14 GROUPS, f = 24.72 – 101.84 mmCANON RF 24-70mm f/2.8 L IS USM— 21 ELEMENTS / 15 GROUPS, f = 24.7–67.9 mm
US 2022/0171174 A1↗2022Assignee: Canon Inc.
Inventors: Takahiro Hatada
CANON RF 14-35mm f/4 L IS USM— 16 ELEMENTS / 12 GROUPS, 14–35mm f/4 (marketed)