[1]CurrentPatentAssignee:RICOHCOLTD-US2005/84711,2005,A1
[2]CurrentPatentAssignee:BEIJINGETERNALMATERIALTECHCOLTD-CN114685359,2022,ALocationinpatent:Paragraph0120-0122
1984-49-2
612-95-3
56525-79-2
103012-26-6
35577-92-5