Hideki Kai — Lens Patent Author | Surface & Stop

Hideki Kai3 related patents across 3 interactive lens diagrams.
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Panasonic Corporation (1)
Panasonic Intellectual Property Management Co., Ltd. (1)
Sony Corporation (1)
Panasonic Corporation(1)US 2015/0097989 A1↗2015Assignee: Panasonic Corporation
Inventors: Hideki Kai, Takahiro Kitada, Takuya Imaoka
Numerical Example 2PANASONIC LUMIX G VARIO 12-32mm f/3.5-5.6 ASPH. MEGA O.I.S.— 8 ELEMENTS / 7 GROUPS, DESIGN f = 12.48–30.72 mm
Panasonic Intellectual Property Management Co., Ltd.(1)US 2020/0341238 A1↗2020Assignee: Panasonic Intellectual Property Management Co., Ltd.
Inventors: Hideki Kai
Numerical Example 3LEICA ELMARIT-TL 18mm f/2.8 ASPH.— 8 GLASS ELEMENTS / 6 GROUPS, f = 18.4556 mm design
Sony Corporation(1)US 2012/0307129 A1↗2012Assignee: Sony Corporation
Inventors: Hideki Kai, Makoto Kanai
Numerical Value Embodiment 1SONY DT 16-50mm f/2.8 SSM— 16 ELEMENTS / 13 GROUPS, PATENT f = 16.48-48.50 mm