Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
G03G 2215/0473

due to document imperfections, e.g. punchholes, books

Full Title

Apparatus for electrophotographic processes > Arrangements for exposing and producing an image > Changing or enhancing the image > Image area information changed (default is the charge image) > Image corrections > due to document imperfections, e.g. punchholes, books

Top Applicants

Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON JP 19,215
  2. CANON 12,916
  3. ASML NETHERLANDS NL 10,000
  4. FUJIFILM JP 7,814
  5. SAMSUNG ELECTRONICS COMPANY KR 5,181
  6. CARL ZEISS SMT DE 5,079
  7. RICOH COMPANY JP 4,343
  8. LG INNOTEK COMPANY KR 4,054
  9. KYOCERA DOCUMENT SOLUTIONS 3,812
  10. KYOCERA DOCUMENT SOLUTIONS JP 3,682