G03D APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS (apparatus specially adapted for photomechanical production of textured or patterned surfaces G03F); ACCESSORIES THEREFOR (photosensitive materials or processes for photographic purposes G03C; electrographic, electrophotographic, or magnetographic methods or apparatus G03G)
Description
G03D encompasses equipment and devices designed to process photographic materials after exposure, including developing, fixing, washing, and drying apparatus for film, plates, and paper. This subclass covers both manual and automatic processing systems, chemical handling equipment, and related accessories such as tanks, rollers, and transport mechanisms used in traditional photographic workflows. It excludes the photographic materials themselves (covered under G03C) and the initial image capture apparatus (covered under G03B), focusing instead on the post-exposure treatment and finishing stages.
9 direct subcodes
Child Classifications
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- G03D 11/00 Reversal processing apparatus
- G03D 13/00 Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
- G03D 15/00 Apparatus for treating processed material
- G03D 17/00 Dark-room arrangements not provided for in the preceding groups; Portable dark-rooms
- G03D 2203/00 Liquid processing apparatus involving immersion; washing apparatus involving immersion
- G03D 3/00 Liquid processing apparatus involving immersion; Washing apparatus involving immersion (G03D9/00, G03D11/00 take precedence)
- G03D 5/00 Liquid processing apparatus in which no immersion is effected; Washing apparatus in which no immersion is effected (G11B9/00, G11B11/00 take precedence; application of liquids in general B05)
- G03D 7/00 Gas processing apparatus
- G03D 9/00 Diffusion development apparatus
Top Applicants
Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682