Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
A44C 27/00

Making jewellery or other personal adornments

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:
HUMAN NECESSITIES
Class:
HABERDASHERY; JEWELLERY
Subclass:
PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS

Filing statistics

IPC A44C 27/00 belongs to the parent subclass A44C, which recorded 39,772 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,058 in 2013 to 3,114 in 2023 (+51%), peaking at 4,851 applications in 2020. The most active applicants in class A44 are YOSHIDA KOGYO (1,597 applications), YOSHIDA KOGYO (1,058 applications) and ZHEJIANG WEIXING INDUSTRIAL DEVELOPMENT COMPANY (596 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class A44, 2013–2023, worldwide · Source: EPO PATSTAT

  1. YOSHIDA KOGYO JP 1,597
  2. YOSHIDA KOGYO 1,058
  3. ZHEJIANG WEIXING INDUSTRIAL DEVELOPMENT COMPANY 596
  4. FUJIAN SBS ZIPPER SCIENCE & TECHNOLOGY COMPANY 471
  5. GOERTEK TECHNOLOGY COMPANY 462
  6. GUANGDONG XIAOTIANCAI TECHNOLOGY COMPANY 408
  7. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 278
  8. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 267
  9. OMEGA CH 194
  10. APPLE US 187