Mitsuo Yasukuni — Lens Patent Author | Surface & Stop

Mitsuo Yasukuni2 related patents across 2 interactive lens diagrams.
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Minolta Camera Co., Ltd. (2)
Minolta Camera Co., Ltd.(2)JP S56-150717 A↗1981Assignee: Minolta Camera Co., Ltd.
Inventors: Hisashi Tokumaru, Mitsuo Yasukuni
Example 1MINOLTA MD ZOOM 75-150mm f/4— 12 ELEMENTS / 8 GROUPS, f = 77–146 mm (design)
US 4,518,229↗1985Assignee: Minolta Camera Co., Ltd.
Inventors: Mitsuo Yasukuni
Example 8MINOLTA AF APO TELE 300mm f/2.8— Patent Example 8: f = 295.0 mm, FN = 2.9, Marketed as 300mm f/2.8