Yoshifumi Sudoh — Lens Patent Author | Surface & Stop

Yoshifumi Sudoh2 related patents across 2 interactive lens diagrams.
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Ricoh Co., Ltd. (2)
Ricoh Co., Ltd.(2)JP 2010-164839 A↗2010Assignee: Ricoh Co., Ltd.
Inventors: Yoshifumi Sudoh
RICOH GR LENS 6.0mm f/1.9 (Ricoh GR DIGITAL IV)— 8 ELEMENTS / 6 GROUPS, 6.0 mm
JP 2010-72639 A↗2010Assignee: Ricoh Co., Ltd.
Inventors: Yoshifumi Sudoh
RICOH GR LENS 6.0mm f/1.9 (Ricoh GR DIGITAL III)— 8 ELEMENTS / 6 GROUPS, 6.0 mm