Hisashi Tokumaru — Lens Patent Author | Surface & Stop

Hisashi Tokumaru5 related patents across 5 interactive lens diagrams.
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Minolta Camera Co., Ltd. (2)
Minolta Co., Ltd. (3)
Minolta Camera Co., Ltd.(2)JP1988-201614 A1988Assignee: Minolta Camera Co., Ltd.
Inventors: Hisashi Tokumaru
MINOLTA AF 35mm f/2— 7 ELEMENTS / 6 GROUPS, 35mm MARKETING / 35.0002mm MODELED
US 4,806,003↗1989Assignee: Minolta Camera Co., Ltd.
Inventors: Hiromu Mukai, Hisashi Tokumaru
MINOLTA AF 35mm f/1.4— 10 ELEMENTS / 8 GROUPS, 35mm MARKETED / 34.983 mm DESIGN
Minolta Co., Ltd.(3)JP1987-244010 A1987Assignee: Minolta Co., Ltd.
Inventors: Naoshi Okada, Hisashi Tokumaru
MINOLTA AF 100mm f/2— 7 ELEMENTS / 6 GROUPS, 100mm f/2
US 4,764,000↗1988Assignee: Minolta Co., Ltd.
Inventors: Hisashi Tokumaru
MINOLTA AF 100mm f/2.8 Macro— 8 elements / 8 groups, f = 100.0 mm design
JP1989-039542 A1989Assignee: Minolta Co., Ltd.
Inventors: Hisashi Tokumaru, Masakuni Tai
MINOLTA AF 80-200mm f/2.8 APO— 16 ELEMENTS / 13 GROUPS, DESIGN 82-195mm