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DIFF Subgroup
G03B 9/10

Blade or disc rotating or pivoting about axis normal to its plane

Introduced: September 1968

Full Title

Exposure-making shutters; Diaphragms > Shutters > Blade or disc rotating or pivoting about axis normal to its plane

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

Child Classifications

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  • G03B 9/12 Two relatively-adjustable aperture-defining members moving as a unit IPC+CPC Available in IPC and CPC
  • G03B 9/14 Two separate members moving in opposite directions IPC+CPC Available in IPC and CPC
  • G03B 9/16 Two separate members moving in the same direction IPC+CPC Available in IPC and CPC
  • G03B 9/24 Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable IPC+CPC Available in IPC and CPC
  • G03B 9/26 incorporating cover blade or blades 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