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