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Shirota; Yasuhiko
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Osaka, JP
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last 30 patents
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Patent Grant
Trisarylaminobenzene derivatives, compounds for organic EL element,...
Patent number
5,508,136
Issue date
Apr 16, 1996
Shirota; Yasuhiko
Yasuhiko Shirota
C07 - ORGANIC CHEMISTRY
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Patent Grant
Organic electroluminescent device
Patent number
5,374,489
Issue date
Dec 20, 1994
Pioneer Electronic Corporation
Kunio Imai
C07 - ORGANIC CHEMISTRY
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