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IPC Main Group
G03B 17/00

Details of cameras or camera bodies; Accessories therefor

Introduced: September 1968

Last revised: January 2021

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR

Related Keywords

BELLOWS for cameras

14 direct subcodes

Child Classifications

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  • G03B 17/22 with means for cutting-off film
  • G03B 17/24 with means for separately producing marks on the film, e.g. title, time of exposure
  • G03B 17/26 Holders for containing light-sensitive material and adapted to be inserted within the camera
  • G03B 17/36 Counting number of exposures
  • G03B 17/42 Interlocking between shutter operation and advance of film or change of plate or cut-film
  • G03B 17/44 Means for exchanging focusing screen and light-sensitive material
  • G03B 17/46 Means for exposing single frames in motion-picture camera
  • G03B 17/55 with provision for heating or cooling, e.g. in aircraft

Top Applicants

Top 10 applicants by patent filingsfor 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