Tatsuyuki Onozaki — Lens Patent Author | Surface & Stop

Tatsuyuki Onozaki3 related patents across 3 interactive lens diagrams.
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Pentax Ricoh Imaging Company, Ltd. (1)
Ricoh Imaging Company, Ltd. (2)
Pentax Ricoh Imaging Company, Ltd.(1)US 2013/0222925 A1↗2013Assignee: Pentax Ricoh Imaging Company, Ltd.
Inventors: Tatsuyuki Onozaki, Masakazu Saori
PENTAX HD D FA645 MACRO 90mm f/2.8 ED AW SR— 11 ELEMENTS / 9 GROUPS, f = 90.116 mm (DESIGN)
Ricoh Imaging Company, Ltd.(2)JP 2015-87681 A↗2015Assignee: Ricoh Imaging Company, Ltd.
Inventors: Tatsuyuki Onozaki
HD PENTAX-DA645 28-45mm f/4.5 ED AW SR— 17 PHYSICAL LENSES / 12 GROUPS, 28-45mm f/4.5 MARKETED
US 2017/0068075 A1↗2017Assignee: Ricoh Imaging Company, Ltd.
Inventors: Tatsuyuki Onozaki
PENTAX HD D FA 28-105mm f/3.5-5.6 ED DC WR— 15 ELEMENTS / 11 GROUPS, PATENT f = 28.70–102.38 mm