Kazuyasu Ohashi — Lens Patent Author | Surface & Stop

Kazuyasu Ohashi3 related patents across 3 interactive lens diagrams.
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Ricoh Co., Ltd. (3)
Ricoh Co., Ltd.(3)US 2013/0321936 A1↗2013Assignee: Ricoh Co., Ltd.
Inventors: Kazuyasu Ohashi
RICOH GR LENS 18.3mm f/2.8 (Ricoh GR / GR II)— 7 ELEMENTS / 5 GROUPS, f ≈ 18.3 mm
US 2019/0154946 A1↗2019Assignee: Ricoh Co., Ltd.
Inventors: Kazuyasu Ohashi
RICOH GR LENS 18.3mm f/2.8 (Ricoh GR III)— 6 ELEMENTS / 4 GROUPS, f ≈ 18.3 mm  (28 mm equiv.)
US 2022/0026670 A1↗2022Assignee: Ricoh Co., Ltd.
Inventors: Kazuyasu Ohashi
RICOH GR LENS 26.1mm f/2.8 (Ricoh GR IIIx)— 7 ELEMENTS / 5 GROUPS, f ≈ 26.1 mm