Projectors or projection-type viewers; Accessories therefor

Introduced: September 1968

Last revised: January 2006

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

Filing statistics

IPC G03B 21/00 belongs to the parent subclass G03B, which recorded 200,396 patent applications worldwide between 2013 and 2023. Annual filings grew from 14,054 in 2013 to 16,680 in 2023 (+19%), peaking at 22,766 applications in 2020. The most active applicants in class G03 are CANON (31,416 applications), CANON (17,469 applications) and KYOCERA DOCUMENT SOLUTIONS (9,845 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

MAGAZINES for optical projectorsoptical PROJECTORSVIEWERS using projection

10 direct subcodes

Child Classifications

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G03B 21/02 Multiple-film apparatus
G03B 21/06 affording only episcopic projection
G03B 21/08 affording epidiascopic projection
G03B 21/1 Projectors with built-in or built-on screen
G03B 21/12 adapted for projection of either still pictures or motion pictures
G03B 21/13 Projectors for producing special effects at the edges of picture, e.g. blurring
G03B 21/132 Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
G03B 21/134 Projectors combined with typing apparatus or with printing apparatus
G03B 21/14 Details
G03B 21/54 Accessories

Top Applicants

Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT

CANON 31,416
CANON JP 17,469
KYOCERA DOCUMENT SOLUTIONS 9,845
RICOH COMPANY 9,807
ASML NETHERLANDS NL 9,427
FUJIFILM JP 7,225
KONICA MINOLTA CORPORATION 7,216
FUJI XEROX COMPANY 5,711
CARL ZEISS SMT DE 4,971
RICOH COMPANY JP 4,123