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经营范围
发明名称
Waveguide-type optical device
摘要
申请公布号
EP0485993(B1)
申请公布日期
1997.04.23
申请号
EP19910119362
申请日期
1991.11.13
申请人
OKI ELECTRIC INDUSTRY CO., LTD.
发明人
OKAYAMA, HIDEAKI;ISHIDA, TOSHIMASA
分类号
G02B6/12;G02F1/035;G02F1/313;(IPC1-7):G02F1/035
主分类号
G02B6/12
代理机构
代理人
主权项
地址
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