Toshihiro Imai — Lens Patent Author | Surface & Stop

Toshihiro Imai3 related patents across 3 interactive lens diagrams.
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Olympus Optical Co., Ltd. (3)
Olympus Optical Co., Ltd.(3)US 4,063,802↗1977Assignee: Olympus Optical Co., Ltd.
Inventors: Toshihiro Imai, Yoshitsugi Ikeda
OLYMPUS ZUIKO AUTO-T 85mm f/2— 5 ELEMENTS / 4 GROUPS, f ≈ 85.0 mm
US 4,099,843↗1978Assignee: Olympus Optical Co., Ltd.
Inventors: Toshihiro Imai
OLYMPUS ZUIKO AUTO-S 50mm f/1.2— 7 ELEMENTS / 6 GROUPS, f ≈ 50.0 mm
US 4,235,521↗1980Assignee: Olympus Optical Co., Ltd.
Inventors: Toshihiro Imai
OLYMPUS F.ZUIKO 35mm f/2.8 (Olympus XA)— 6 ELEMENTS / 5 GROUPS, f ≈ 35.0 mm