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PCE
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DIFF Subgroup
G03B 41/04

with optical compensator

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Special photographic techniques not covered by groups; Apparatus therefor > using non-intermittently-running film > with optical compensator

CPC:

Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor > using non-intermittently running film > with optical compensator

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • G03B 41/06 with rotating reflecting member IPC+CPC Available in IPC and CPC
  • G03B 41/08 with rotating transmitting member IPC+CPC Available in IPC and CPC
  • G03B 41/10 with oscillating reflecting member IPC+CPC Available in IPC and CPC
  • G03B 41/12 with oscillating transmitting member 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