US 3,506,3391970
Assignee: Asahi Kogaku Kogyo Co., Ltd.
Inventors: Tomokazu Kazamaki
2 related patents across 2 interactive lens diagrams.
Assignee: Asahi Kogaku Kogyo Co., Ltd.
Inventors: Tomokazu Kazamaki
Assignee: Tomokazu Kazamaki, Fumio Kondo
Inventors: Tomokazu Kazamaki, Fumio Kondo
Assignee: Tomokazu Kazamaki, Fumio Kondo
Inventors: Tomokazu Kazamaki, Fumio Kondo