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DIFF Subgroup
G03B 1/60

Measuring or indicating length of the used or unused film; Counting number of exposures

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Film-strip handling of general interest for cameras, projectors or printers > Measuring or indicating length of the used or unused film; Counting number of exposures

CPC:

Film strip handling > Measuring or indicating length of the used or unused film; Counting number of exposures

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03B 1/62 involving locking or stop-motion devices IPC+CPC Available in IPC and CPC
  • G03B 1/64 by means which as certain the radius of the film coiled on a spool IPC+CPC Available in IPC and CPC
  • G03B 1/66 Counting number of exposures 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