Yoshito Iwasawa — Lens Patent Author | Surface & Stop

Yoshito Iwasawa2 related patents across 2 interactive lens diagrams.
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Tamron Co., Ltd. (2)
Tamron Co., Ltd.(2)US 2014/0347522 A1↗2014Assignee: Tamron Co., Ltd.
Inventors: Yoshito Iwasawa
TAMRON 14-150mm f/3.5-5.8 Di III (C001)— 17 ELEMENTS / 13 GROUPS, PATENT 14.43-145.40 mm
US 10,545,321 B2↗2020Assignee: Tamron Co., Ltd.
Inventors: Yoshito Iwasawa, Jun Takahashi
TAMRON SP 150-600mm f/5-6.3 Di VC USD (A011)— 20 ELEMENTS / 13 GROUPS, PATENT ZOOM POINTS 152.1633-582.5200 mm