Patent search ap:("IBM") AND inv:"VOLLMER ROBERT LEE" Page 1

1.

发明专利
SQUARYLIUM CHARGE GENERATING DYE AND ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR 未知

公开(公告)号：DE3561018D1

公开(公告)日：1987-12-23

申请号：DE3561018

申请日：1985-05-24

Applicant: IBM

Inventor： CHAMP ROBERT BRUCE , VOLLMER ROBERT LEE

IPC: C09B23/00 , C09B57/00 , G03G5/06 , H01L51/42 , C09B23/01

Patent Agency Ranking