Ryosuke Imajima — Lens Patent Author | Surface & Stop

Ryosuke Imajima3 related patents across 3 interactive lens diagrams.
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Konica Minolta, Inc. (3)
Nikon Corporation (3)
Konica Minolta, Inc.(3)JP 2017-161685 A↗2017Assignee: Konica Minolta, Inc., Nikon Corporation
Inventors: Ryosuke Imajima, Yasunari Fukuda, Toshinori Take, Takayuki Sensui
NIKON PC NIKKOR 19mm f/4 E ED— 17 ELEMENTS / 13 GROUPS (18 physical), f ≈ 19.4 mm
JP 2019-090947 A↗2019Assignee: Konica Minolta, Inc., Nikon Corporation
Inventors: Keiko Yamada, Ryosuke Imajima, Wataru Tatsuno, Haruo Sato
NIKON NIKKOR Z 35mm f/1.8 S— 35mm, f/1.8
JP 2020-173366 A↗2020Assignee: Konica Minolta, Inc., Nikon Corporation
Inventors: Ryosuke Imajima, Takakazu Hirose, Daisuke Tanahashi, Yasushi Yamamoto, Mami Muratani
NIKON NIKKOR Z 85mm f/1.8 S— 12 ELEMENTS / 8 GROUPS, f ≈ 83.0 mm (patent) · 85 mm (production)
Nikon Corporation(3)JP 2017-161685 A↗2017Assignee: Konica Minolta, Inc., Nikon Corporation
Inventors: Ryosuke Imajima, Yasunari Fukuda, Toshinori Take, Takayuki Sensui
NIKON PC NIKKOR 19mm f/4 E ED— 17 ELEMENTS / 13 GROUPS (18 physical), f ≈ 19.4 mm
JP 2019-090947 A↗2019Assignee: Konica Minolta, Inc., Nikon Corporation
Inventors: Keiko Yamada, Ryosuke Imajima, Wataru Tatsuno, Haruo Sato
NIKON NIKKOR Z 35mm f/1.8 S— 35mm, f/1.8
JP 2020-173366 A↗2020Assignee: Konica Minolta, Inc., Nikon Corporation
Inventors: Ryosuke Imajima, Takakazu Hirose, Daisuke Tanahashi, Yasushi Yamamoto, Mami Muratani
NIKON NIKKOR Z 85mm f/1.8 S— 12 ELEMENTS / 8 GROUPS, f ≈ 83.0 mm (patent) · 85 mm (production)