Inventor
RICHARDSON WILLIAM KEITH
US5 patents
Patents
5 patentsUS6718147B1Apr 6, 2004
Toner measurement and darkness control using printer systems
LEXMARK INT INC29 citations91
US6819884B1Nov 16, 2004
Determining toner usage
LEXMARK INT INC26 citations90
US7769306B2Aug 3, 2010
Storing printer density control parameters in cartridge memory
LEXMARK INT INC12 citations81
US6701097B1Mar 2, 2004
Movement tracking by time and scaling for start and stop
LEXMARK INT INC4 citations61
US7463836B2Dec 9, 2008
System, method and print cartridge for signaling user replacement of fuser wiper
LEXMARK INT INC1 citations47