US 4,699,4751987
Assignee: Nippon Kogaku K.K.
Inventors: Tomowaki Takahashi, Yasuhiro Aono
Yasuhiro Aono
2 related patents across 2 interactive lens diagrams.
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Nippon Kogaku K.K.(2)
US 4,770,5111988
Assignee: Nippon Kogaku K.K.
Inventors: Yasuo Yonezawa, Yasuhiro Aono, Tomowaki Takahashi