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PCE
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DIFF Subgroup
G03F 7/09

characterised by structural details, e.g. supports, auxiliary layers (supports for printing plates in general B41N)

Introduced: January 1990

Title

Titles differ between systems:

IPC: characterised by structural details, e.g. supports, auxiliary layers

CPC: characterised by structural details, e.g. supports, auxiliary layers (supports for printing plates in general B41N)

Full Title

Full titles differ between systems:

IPC:

Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor > Photosensitive materials > characterised by structural details, e.g. supports, auxiliary layers

CPC:

Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor (using photoresist structures for special production processes, see the relevant places, e.g. B44C, H10P76/00, H05K) > Photosensitive materials (G03F7/12, G03F7/14 take precedence) > characterised by structural details, e.g. supports, auxiliary layers (supports for printing plates in general B41N)

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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  • G03F 7/091 CPC only CPC only
  • G03F 7/092 CPC only CPC only
  • G03F 7/093 CPC only CPC only
  • G03F 7/094 CPC only CPC only
  • G03F 7/105 having substances, e.g. indicators, for forming visible images since 1990 IPC+CPC Available in IPC and CPC
  • G03F 7/11 having cover layers or intermediate layers, e.g. subbing layers since 1990 IPC+CPC Available in IPC and CPC
  • G03F 7/115 having supports or layers with means for obtaining a screen effect or for obtaining better contact in vacuum printing since 1990 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