Inventor

SEKIYA TADAYUKI

JP3 patents

Patents

3 patents

US3936041AFeb 3, 1976

Automatic original supply device for electronic copying apparatus

RICOH KK36 citations87

US4814821AMar 21, 1989

Image-forming device

RICOH KK10 citations70

US4901113AFeb 13, 1990

Image-forming device

RICOH KK3 citations59