Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
G03G 2215/0808

Donor member rotation direction

Full Title

Apparatus for electrophotographic processes > Details of powder developing device not concerning the development directly > Arrangements for agitating or circulating developer material > Donor member rotation direction

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • G03G 2215/0811 Upper part of donor member transports used developer back to the sump
  • G03G 2215/0813 Lower part of donor member transports used developer back to the sump

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