Keiji Ikemori — Lens Patent Author | Surface & Stop

Keiji Ikemori5 related patents across 5 interactive lens diagrams.
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Canon Inc. (5)
Canon Inc.(5)US 4,110,006↗1978Assignee: Canon Inc.
Inventors: Keiji Ikemori
CANON NEW FD 150-600mm f/5.6L— Telephoto zoom, 150–600 mm f/5.6, 19 elements / 15 groups
JP S57-64716 A↗1982Assignee: Canon Inc.
Inventors: Keiji Ikemori
CANON NEW FD 14mm f/2.8 L— 14 elements / 10 groups, f ≈ 14.0 mm
US 4,364,644↗1982Assignee: Canon Inc.
Inventors: Keiji Ikemori
CANON FD 50mm f/1.2 L— 8 ELEMENTS / 6 GROUPS, f ≈ 50.0 mm
JPS61-77818A1986Assignee: Canon Inc.
Inventors: Keiji Ikemori, Sadatoshi Takahashi, Takashi Matsushita, Tsunefumi Tanaka, Nozomi Kitagishi
CANON EF 100-300mm f/5.6— 15 ELEMENTS / 9 GROUPS, 100-300mm f/5.6 (MARKETED)
US 4,826,301↗1989Assignee: Canon Inc.
Inventors: Keiji Ikemori
CANON EF 135mm f/2.8 Soft Focus— 7 ELEMENTS / 6 GROUPS, 135.043 mm DESIGN EFL