Akira Sawamoto — Lens Patent Author | Surface & Stop

Akira Sawamoto3 related patents across 3 interactive lens diagrams.
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Nittoh Inc. (3)
Nittoh Inc.(3)WO 2017/221949 A1↗2017Assignee: Nittoh Inc.
Inventors: Akira Sawamoto
Example 1HASSELBLAD XCD 45mm f/3.5— 9 ELEMENTS / 7 GROUPS, 45.0 mm f/3.5 (MARKETING)
WO 2018/052113 A1↗2018Assignee: Nittoh Inc.
Inventors: Akira Sawamoto
Example 1HASSELBLAD XCD 30mm f/3.5— 11 ELEMENTS / 10 GROUPS, MODELED EFL 30.981 mm
US 2020/0192060 A1↗2020Assignee: Nittoh Inc.
Inventors: Akira Sawamoto
Example 2HASSELBLAD XCD 120mm f/3.5 Macro— 10 ELEMENTS / 7 GROUPS, f = 120.0 mm