Daiki Kawamura — Lens Patent Author | Surface & Stop

Daiki Kawamura8 related patents across 8 interactive lens diagrams.
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Fujifilm Corporation (8)
Fujifilm Corporation(8)US 2014/0240851 A1↗2014Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura
Example 4FUJIFILM FUJINON XF 18mm f/2 R— 8 ELEMENTS / 7 GROUPS, f ≈ 18.8 mm
US 2014/0368925 A1↗2014Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura
Example 1FUJIFILM FUJINON XC 16-50mm f/3.5-5.6 OIS II— 12 ELEMENTS / 10 GROUPS, MARKETED 16–50mm f/3.5–5.6
US 2016/0274335 A1↗2016Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura
Example 1FUJIFILM FUJINON XF 90mm f/2 R LM WR— 11 ELEMENTS / 8 GROUPS, f ≈ 87.5 mm (marketed 90 mm)
US 2017/0351051 A1↗2017Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura
Example 1FUJIFILM FUJINON XF 23mm f/2 R WR— 10 elements / 6 groups, f = 22.377 mm design; 23 mm marketed
US 2018/0246292 A1↗2018Assignee: Fujifilm Corporation
Inventors: Ryoko Tomioka, Daiki Kawamura
Example 1FUJIFILM FUJINON XF 80mm f/2.8 R LM OIS WR Macro— 16 ELEMENTS / 12 GROUPS, f = 78.79 mm
US 2019/0302431 A1↗2019Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura
Example 1FUJIFILM FUJINON XF 8-16mm f/2.8 R LM WR— 20 ELEMENTS / 13 GROUPS, 4 ASPHERICAL ELEMENTS / 8 ASPHERICAL SURFACES
US 2020/0166735 A1↗2020Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura, Taiga Noda
Example 11FUJIFILM FUJINON XF 16-80mm f/4 R OIS WR— 16 ELEMENTS / 12 GROUPS, f = 16.5–77.8 mm
US 2021/0231927 A1↗2021Assignee: Fujifilm Corporation
Inventors: Daiki Kawamura, Michio Cho
Example 3FUJIFILM FUJINON XF 50mm f/1.0 R WR— 12 elements / 9 groups, 1 aspherical element (2 aspherical surfaces)