US 4,018,5121977
Assignee: Fuji Photo Optical Co., Ltd.
Inventors: Yutaka Sakai
Yutaka Sakai
3 related patents across 3 interactive lens diagrams.
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Fuji Photo Optical Co., Ltd.(3)
US 4,195,9121980
Assignee: Fuji Photo Optical Co., Ltd.
Inventors: Yoshikazu Doi, Yutaka Sakai, Kazunori Ohno
JP S56-1403111981
Assignee: Fuji Photo Optical Co., Ltd.
Inventors: Ryoichi Doi, Yutaka Sakai, Kazunori Ohno