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DIFF Subgroup
G03B 1/46

Rollers engaging face of film, e.g. barrel, waisted, conical (gates G03B1/48)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Rollers engaging face of film, e.g. barrel, waisted, conical

CPC: Rollers engaging face of film, e.g. barrel, waisted, conical (gates G03B1/48)

Full Title

Full titles differ between systems:

IPC:

Film-strip handling of general interest for cameras, projectors or printers > Guiding, framing, or constraining film in desired position relative to lens system > Rollers engaging face of film, e.g. barrel, waisted, conical

CPC:

Film strip handling > Guiding, framing, or constraining film in desired position relative to lens system > Rollers engaging face of film, e.g. barrel, waisted, conical (gates G03B1/48)

No child classifications to compare. This is a leaf node in both 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