Inventor

OHSETO SEIICHI

JP5 patents

Patents

5 patents

US4727003AFeb 23, 1988

Electroluminescence device

RICOH KK87 citations94

US4975338ADec 4, 1990

Thin film electroluminescence device

RICOH KK48 citations92

US4720436AJan 19, 1988

Electroluminescence devices and method of fabricating the same

RICOH KK17 citations73

US4601965AJul 22, 1986

Photosensitive material for use in electrophotography

RICOH KK6 citations72

US4529292AJul 16, 1985

Electrophotographic reproduction process

RICOH KK11 citations71