Keisuke Tsubonoya — Lens Patent Author | Surface & Stop

Keisuke Tsubonoya4 related patents across 4 interactive lens diagrams.
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Nikon Corporation (4)
Nikon Corporation(4)WO 2019/116563 A1↗2019Assignee: Nikon Corporation
Inventors: Masashi Yamashita, Tomoki Ito, Hiroshi Yabumoto, Hiroshi Yamamoto, Satoshi Miwa, Keisuke Tsubonoya, Ayumu Makida, Takeru Uehara
NIKON AF-S NIKKOR 105mm f/1.4 E ED— 14 ELEMENTS / 9 GROUPS, f ≈ 102.1 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 2021/0026133 A1↗2021Assignee: Nikon Corporation
Inventors: Masashi Yamashita, Tomoki Ito, Hiroshi Yabumoto, Hiroshi Yamamoto, Satoshi Miwa, Keisuke Tsubonoya, Ayumu Makida, Takeru Uehara
NIKON AF-P DX NIKKOR 70-300mm f/4.5-6.3 G ED VR— 70-300 mm marketed; 72.1-292.1 mm patent, f/4.5-6.3 marketed; f/4.707-6.494 patent
WO 2022/259649 A1↗2022Assignee: Nikon Corporation
Inventors: Takuro Ono, Kosuke Machida, Ayumu Makida, Keisuke Tsubonoya
NIKON NIKKOR Z 24-120mm f/4 S— 16 ELEMENTS / 13 GROUPS, f = 24.70 – 116.50 mm