Assignee
RICOH COMANY LTD
JP·3 granted patents·43 citations·filing 1990–1994
Top patents by PatentIndex Score
3 records- 0177US5694385AOptical pickup apparatusRICOH COMANY LTD·Filed 1994·Granted Dec 2, 1997·20 cites·12 claims
- 0253US5214520AImage data reading apparatusRICOH COMANY LTD·Filed 1990·Granted May 25, 1993·16 cites·5 claims
- 0334US5077235AMethod of manufacturing a semiconductor integrated circuit device having SOI structureRICOH COMANY LTD·Filed 1990·Granted Dec 31, 1991·7 cites·16 claims
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