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IPC Subgroup
G03G 5/06

characterised by the photoconductive material being organic

Introduced: September 1968

Last revised: January 2006

Full Title

Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor > Charge-receiving layers > Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor > characterised by the photoconductive material being organic

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

1 direct subcode

Child Classifications

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  • G03G 5/07 Polymeric photoconductive materials

Top Applicants

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

  1. CANON 31,416
  2. CANON JP 17,469
  3. KYOCERA DOCUMENT SOLUTIONS 9,845
  4. RICOH COMPANY 9,807
  5. ASML NETHERLANDS NL 9,427
  6. FUJIFILM JP 7,225
  7. KONICA MINOLTA CORPORATION 7,216
  8. FUJI XEROX COMPANY 5,711
  9. CARL ZEISS SMT DE 4,971
  10. RICOH COMPANY JP 4,123