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Inventor
KANEHISA OSAM
JP
2 patents
Patents
2 patents
US5010517A
Apr 23, 1991
Semiconductor optical apparatus
HITACHI LTD
10 citations
71
US4862033A
Aug 29, 1989
Electroluminescent display apparatus having a multi-color illuminant layer and process for producing the same
HITACHI LTD
9 citations
71