Takahiko Sakai — Lens Patent Author | Surface & Stop

Takahiko Sakai4 related patents across 4 interactive lens diagrams.
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Sony Corporation (2)
Tamron Co., Ltd. (4)
Sony Corporation(2)JP 2012-159613 A↗2012Assignee: Sony Corporation, Tamron Co., Ltd.
Inventors: Takahiko Sakai, Masaharu Hosoi
SONY E 30mm f/3.5 Macro— 30 mm f/3.5 APS-C E-mount, JP 2012-159613 A Example 1
JP 2015-041012 A↗2015Assignee: Tamron Co., Ltd., Sony Corporation
Inventors: Takahiko Sakai
SONY SONNAR T* FE 35mm f/2.8 ZA— 7 ELEMENTS / 5 GROUPS, f ≈ 36.1 mm
Tamron Co., Ltd.(4)JP 2012-159613 A↗2012Assignee: Sony Corporation, Tamron Co., Ltd.
Inventors: Takahiko Sakai, Masaharu Hosoi
SONY E 30mm f/3.5 Macro— 30 mm f/3.5 APS-C E-mount, JP 2012-159613 A Example 1
JP 2014-089352 A↗2014Assignee: Tamron Co., Ltd.
Inventors: Takahiko Sakai
SONY E 35mm f/1.8 OSS— 8 elements / 6 groups, f = 34.914 mm
JP 2015-041012 A↗2015Assignee: Tamron Co., Ltd., Sony Corporation
Inventors: Takahiko Sakai
SONY SONNAR T* FE 35mm f/2.8 ZA— 7 ELEMENTS / 5 GROUPS, f ≈ 36.1 mm
US 2024/0295723 A1↗2024Assignee: Tamron Co., Ltd.
Inventors: Takahiko Sakai
TAMRON 50-300mm f/4.5-6.3 Di III VC VXD— 19 ELEMENTS / 14 GROUPS, PATENT f = 51.509-290.867 mm