Masashi Yamashita — Lens Patent Author | Surface & Stop

Masashi Yamashita6 related patents across 6 interactive lens diagrams.
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Nikon Corporation (6)
Nikon Corporation(6)US 2018/0031811 A1↗2018Assignee: Nikon Corporation
Inventors: Satoshi Miwa, Masashi Yamashita
NIKON AF-S NIKKOR 600mm f/4E FL ED VR— 16 IMAGING ELEMENTS / 12 GROUPS + PROTECTIVE MENISCUS, 2 FLUORITE / 4 ED (PRODUCTION SPECIFICATION)
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 2019/131993 A1↗2019Assignee: Nikon Corporation
Inventors: Mitsuaki Wada, Masashi Yamashita
NIKON AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VR— TC OUT — EXAMPLE 1, 27 ELEMENTS / 19 GROUPS
US 2020/0348497 A1↗2020Assignee: Nikon Corporation
Inventors: Akihiko Obama, Masashi Yamashita
NIKON 1 NIKKOR VR 10-100mm f/4-5.6— 10-100mm marketed range, f/4-5.6 marketed maximum aperture
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 2021/039813 A1↗2021Assignee: Nikon Corporation
Inventors: Masashi Yamashita, Tomoki Ito, Tomonori Kuribayashi, Keigo Koida, Satoshi Miwa, Yoko Komatsubara, Katsuya Watanabe, Azuna Nonaka, Ayumu Makida
NIKON AF-P DX NIKKOR 10-20mm f/4.5-5.6 G VR— 10-20 mm DX zoom, 14 elements / 11 groups; 3 aspherical elements