Hiroki Harada — Lens Patent Author | Surface & Stop

Hiroki Harada6 related patents across 6 interactive lens diagrams.
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Nikon Corporation (6)
Nikon Corporation(6)US 7,508,592 B2↗2009Assignee: Nikon Corporation
Inventors: Hiroki Harada
NIKON AF-S NIKKOR 24-70mm f/2.8 G ED— 24-70mm f/2.8 marketed; f=24.78-67.70mm, FNO=2.91 design, 15 elements / 11 groups production count
US 2011/0102905 A1↗2011Assignee: Nikon Corporation
Inventors: Hiroki Harada
NIKON AF-S DX NIKKOR 55-300mm f/4.5-5.6 G ED VR— 17 elements / 11 groups, 56.09-293.90 mm design EFL
US 8,416,512 B2↗2013Assignee: Nikon Corporation
Inventors: Hiroki Harada, Yasushi Yamamoto
NIKON AF-S NIKKOR 24mm f/1.4 G ED— 12 glass elements / 10 groups, Patent f = 24.68 mm
WO 2019/229849 A1↗2019Assignee: Nikon Corporation
Inventors: Keisuke Tsubonoya, Hiroki Harada, Toshinori Take
NIKON NIKKOR Z 58mm f/0.95 S Noct— 17 ELEMENTS / 10 GROUPS, f ≈ 59.6 mm
US 2020/0142168 A1↗2020Assignee: Nikon Corporation
Inventors: Hiroki Harada
NIKON AF-S NIKKOR 24-70mm f/2.8 E ED VR— 20 ELEMENTS / 16 GROUPS, f = 24–70 mm
WO 2021/241230 A1↗2021Assignee: Nikon Corporation
Inventors: Hiroki Harada
NIKON NIKKOR Z 50mm f/1.2 S— 17 ELEMENTS / 15 GROUPS, f = 51.29 mm