Inventor
SUMIYOSHI MICHIO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SUMIYOSHI MICHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6330425B1Dec 11, 2001
Double-surface printing apparatus
HITACHI LTD19 citations81
US6256464B1Jul 3, 2001
Electrophotography apparatus
HITACHI LTD17 citations81
US5602578AFeb 11, 1997
Color printer with transfer and superposition of different color toner images onto intermediate transcription member
HITACHI LTD11 citations73
US5285221AFeb 8, 1994
Color image electrophotographic apparatus having photosensitive body and intermediate transfer body
HITACHI LTD9 citations73
US6405001B1Jun 11, 2002
Power-saving type electrophotography apparatus suitable for use with optional unit having exclusive power supply
HITACHI LTD3 citations60