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IPC Main Group
G03H 3/00

Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining holograms; Processes or apparatus for obtaining an optical image from them

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
HOLOGRAPHIC PROCESSES OR APPARATUS

Filing statistics

IPC G03H 3/00 belongs to the parent subclass G03H, which recorded 12,821 patent applications worldwide between 2013 and 2023. Annual filings grew from 827 in 2013 to 1,251 in 2023 (+51%), peaking at 1,402 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

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