Patent · US Expired

Image forming apparatus and image forming method

US7162187B2 · kind B2 · utility

13Cited by
90References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 2004
Grant dateJan 9, 2007
Priority date
Expiry dateOct 21, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/167
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2.

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