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DIFF Subgroup
G03B 27/46

for automatic sequential copying of different originals, e.g. enlargers, roll film printers (G03B27/34, G03B27/50, G03B27/53 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for automatic sequential copying of different originals, e.g. enlargers, roll film printers

CPC: for automatic sequential copying of different originals, e.g. enlargers, roll film printers (G03B27/34, G03B27/50, G03B27/53 take precedence)

Full Title

Full titles differ between systems:

IPC:

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > for automatic sequential copying of different originals, e.g. enlargers, roll film printers

CPC:

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > for automatic sequential copying of different originals, e.g. enlargers, roll film printers (G03B27/34, G03B27/50, G03B27/53 take precedence)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03B 27/462 CPC only CPC only
  • G03B 27/465 at different positions of the same strip, e.g. microfilm since 1985 IPC+CPC Available in IPC and CPC
  • G03B 27/47 at different positions of the same sheet, e.g. microfiche since 1985 IPC+CPC Available in IPC and CPC
  • G03B 27/475 copying cinematographic film (G03B27/48 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
  • G03B 27/48 with original in the form of a film strip moving continuously and compensation for consequent image movement IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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