Keigo Koida — Lens Patent Author | Surface & Stop

Keigo Koida3 related patents across 3 interactive lens diagrams.
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Nikon Corporation (3)
Tamron Co., Ltd. (1)
Nikon Corporation(3)JP 2021-189351 A↗2021Assignee: Nikon Corporation
Inventors: Keigo Koida
NIKON NIKKOR Z 40mm f/2— 6 ELEMENTS / 4 GROUPS, f ≈ 41.2 mm
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
WO 2024/062958 A1↗2024Assignee: Tamron Co., Ltd., Nikon Corporation
Inventors: Hisayuki Yamanaka, Atsushi Takahashi, Toshinori Take, Keigo Koida
NIKON NIKKOR Z 180-600mm f/5.6-6.3 VR— 25 ELEMENTS / 17 GROUPS, 180-600mm (DESIGN 185.0086-582.1636mm)
Tamron Co., Ltd.(1)WO 2024/062958 A1↗2024Assignee: Tamron Co., Ltd., Nikon Corporation
Inventors: Hisayuki Yamanaka, Atsushi Takahashi, Toshinori Take, Keigo Koida
NIKON NIKKOR Z 180-600mm f/5.6-6.3 VR— 25 ELEMENTS / 17 GROUPS, 180-600mm (DESIGN 185.0086-582.1636mm)