Patent · US Expired

Electrophotographic apparatus and process cartridge

US6697591B2 · kind B2 · utility

6Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2002
Grant dateFeb 24, 2004
Priority date
Expiry dateJun 18, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/021
  • WIPO fieldOptics
  • WIPO sectorInstruments

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.