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IPC Subgroup
G03D 3/13

for long films or prints in the shape of strips, e.g. fed by roller assembly

Introduced: July 1974

Last revised: January 2006

Full Title

Liquid processing apparatus involving immersion; Washing apparatus involving immersion > having progressive mechanical movement of exposed material > for long films or prints in the shape of strips, e.g. fed by roller assembly

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR

1 direct subcode

Child Classifications

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  • G03D 3/14 with means for taking into account of elongation or contraction of films

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