Ryohei Tazaki — Lens Patent Author | Surface & Stop

Ryohei Tazaki3 related patents across 3 interactive lens diagrams.
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Sony Group Corporation (3)
Tamron Co., Ltd. (1)
Sony Group Corporation(3)JP 2022-030896 A↗2022Assignee: Tamron Co., Ltd., Sony Group Corporation
Inventors: Junichi Yamazoe, Ryohei Tazaki
SONY FE 24mm f/2.8 G— 8 ELEMENTS / 7 GROUPS, Patent f = 24.710 mm
WO 2023/153076 A1↗2023Assignee: Sony Group Corporation
Inventors: Ryohei Tazaki, Yuma Kumisawa, Hiroo Juri
SONY FE 20-70mm f/4 G— 16 ELEMENTS / 13 GROUPS, f = 20.71–67.56 mm
WO 2025/239028 A1↗2025Assignee: Sony Group Corporation
Inventors: Masakazu Yamagishi, Ryohei Tazaki, Yuma Kumisawa
SONY FE 85mm f/1.4 GM II— 14 ELEMENTS / 11 GROUPS, f ≈ 82.5 mm
Tamron Co., Ltd.(1)JP 2022-030896 A↗2022Assignee: Tamron Co., Ltd., Sony Group Corporation
Inventors: Junichi Yamazoe, Ryohei Tazaki
SONY FE 24mm f/2.8 G— 8 ELEMENTS / 7 GROUPS, Patent f = 24.710 mm