Keitaro Yokoyama — Lens Patent Author | Surface & Stop

Keitaro Yokoyama2 related patents across 2 interactive lens diagrams.
View in relationship map →
Group by
Assignees
Olympus Imaging Corporation (2)
Olympus Imaging Corporation(2)US 8,248,716 B2↗2012Assignee: Olympus Imaging Corporation
Inventors: Kazuteru Kawamura, Keitaro Yokoyama
OLYMPUS M.ZUIKO DIGITAL ED 12mm f/2.0— 11 elements / 8 production groups (9 patent groups), f = 12.187 mm design
US 2014/0139720 A1↗2014Assignee: Olympus Imaging Corporation
Inventors: Yasuji Ogata, Yasuharu Yamada, Akiyoshi Tochigi, Keitaro Yokoyama
OLYMPUS M.ZUIKO DIGITAL ED 12-40mm f/2.8 PRO— 14 ELEMENTS / 9 GROUPS, f = 12.25–39.10 mm