Akiyoshi Nakamura — Lens Patent Author | Surface & Stop

Akiyoshi Nakamura4 related patents across 4 interactive lens diagrams.
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Minolta Camera Co., Ltd. (4)
Minolta Camera Co., Ltd.(4)US 3,973,832↗1976Assignee: Minolta Camera Co., Ltd.
Inventors: Toshinobu Ogura, Akiyoshi Nakamura
Example 2MINOLTA MD 28mm f/2.8 (7 elements / 7 groups)— 7 ELEMENTS / 7 GROUPS, f = 27.9955 mm (DESIGN)
US 4,124,276↗1978Assignee: Minolta Camera Co., Ltd.
Inventors: Yukio Okano, Akiyoshi Nakamura, Toshinobu Ogura
Embodiment 3MINOLTA VARISOFT ROKKOR 85mm f/2.8— 6 ELEMENTS / 5 GROUPS, f ≈ 85.0 mm (production) · 100.0 mm (patent)
JP S56-158314 A↗1981Assignee: Minolta Camera Co., Ltd.
Inventors: Akiyoshi Nakamura
Example 1MINOLTA MD ZOOM 24-35mm f/3.5— 10 ELEMENTS / 10 GROUPS, f ≈ 24.6–34.1 mm
US 4,258,985↗1981Assignee: Minolta Camera Co., Ltd.
Inventors: Akiyoshi Nakamura
Example 4MINOLTA AF 28mm f/2— 9 elements / 9 groups, f = 28.0 mm