Yasunori Murata — Lens Patent Author | Surface & Stop

Yasunori Murata2 related patents across 2 interactive lens diagrams.
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Canon Inc. (1)
Sigma Corporation (1)
Canon Inc.(1)JP H11-211978 A↗1999Assignee: Canon Inc.
Inventors: Yasunori Murata, Makoto Misaka
Numerical Example 1CANON EF 35mm f/1.4 L USM— 11 ELEMENTS / 9 GROUPS, 35 mm MARKETED / 34.2948 mm DESIGN
Sigma Corporation(1)JP H02-248910 A↗1990Assignee: Sigma Corporation
Inventors: Yasunori Murata
Numerical Example 1SIGMA 15mm f/2.8 EX DG DIAGONAL FISHEYE— 7 ELEMENTS / 6 GROUPS, DESIGN f = 15.3 mm