Yoshinobu Asakura — Lens Patent Author | Surface & Stop

Yoshinobu Asakura2 related patents across 2 interactive lens diagrams.
View in relationship map →
Group by
Assignees
Minolta Co., Ltd. (2)
Minolta Co., Ltd.(2)JP1994-082698 A1994Assignee: Minolta Co., Ltd.
Inventors: Yoshinobu Asakura
MINOLTA AF 28-70mm f/2.8 G— 16 ELEMENTS / 11 GROUPS, 4-GROUP N-P-N-P ZOOM
JP1996-327896 A1996Assignee: Minolta Co., Ltd.
Inventors: Yoshinobu Asakura
MINOLTA AF 400mm f/4.5 APO G— 8-ELEMENT / 6-GROUP PATENT MODEL, 390 mm PATENT HEADER / 391.43 mm COMPUTED EFL