Inventor
LEVIN RONALD HAROLD
US17 patents
⚠️ This page may combine multiple inventors who share the name “LEVIN RONALD HAROLD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
16 patentsUS7955769B2Jun 7, 2011
Control of crazing, cracking or crystallization of a charge transport layer in a photoconductor
LEXMARK INT INC7 citations82
US7642027B2Jan 5, 2010
Control of crazing, cracking or crystallization of a charge transport layer in a photoconductor
LEXMARK INT INC9 citations82
US6544702B1Apr 8, 2003
Charge transport layers comprising hydrazones and photoconductors including the same
LEXMARK INT INC6 citations72
US6080518AJun 27, 2000
Electrophotographic photoconductor containing simple quinones to improve electrical properties
LEXMARK INT INC15 citations72
US6066427AMay 23, 2000
Methods for making a charge generating layers comprising type I polymorph of titanyl phthalocyanine with reduced photosensitivity and photoconductors including the same
LEXMARK INT INC9 citations72
US5925486AJul 20, 1999
Imaging members with improved wear characteristics
LEXMARK INT INC9 citations72
US6214502B1Apr 10, 2001
Charge generation layers comprising binder blends and photoconductors including the same
LEXMARK INT INC8 citations67
US6432597B1Aug 13, 2002
Electrophotographic photoconductor containing fluorenyl-azine derivatives and triarylamine in transport layer
LEXMARK INT INC2 citations61
US6245471B1Jun 12, 2001
Charge generation layers comprising at least one titanate and photoconductors including the same
LEXMARK INT INC5 citations61
US5972549AOct 26, 1999
Dual layer photoconductors with charge generation layer containing hindered hydroxylated aromatic compound
LEXMARK INT INC3 citations61
US5994013ANov 30, 1999
Dual layer photoconductors with charge generation layer containing charge transport compound
LEXMARK INT INC4 citations60
US5895739AApr 20, 1999
Enhanced photoconductive oxo-titanyl phthalocyanine
LEXMARK INT INC2 citations60
US6022657AFeb 8, 2000
Methods of making charge generation layers containing charge transport compound, and photoconductors containing the same
LEXMARK INT INC3 citations59
US6787276B2Sep 7, 2004
Dual layer photoconductors with charge transport layer including styrene-acrylic resin
LEXMARK INT INC2 citations56
US5773184AJun 30, 1998
Processing which enhances photoconductivity of type I titanyl phthalocyanine
LEXMARK INT INC3 citations56
US6114583ASep 5, 2000
Preparation of triarylamines
LEXMARK INT INC1 citations51