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Inventor
SAKAI ISOJI
JP
2 patents
Patents
2 patents
US5220447A
Jun 15, 1993
Liquid crystal display device and phase plate therefor
HITACHI LTD
37 citations
91
US5067797A
Nov 26, 1991
Liquid crystal display cell and process for producing the same
HITACHI LTD
45 citations
90