CPC Main Group
D02J 3/00 Modifying the surface
Filing statistics
CPC D02J 3/00 belongs to the parent subclass D02J, which recorded 5,892 patent applications worldwide between 2013 and 2023. Annual filings grew from 330 in 2013 to 456 in 2023 (+38%), peaking at 746 applications in 2019. The most active applicants in class D02 are TORAY INDUSTRIES (443 applications), OERLIKON TEXTILE & COMPANY (242 applications) and KOLON INDUSTRIES (232 applications).
Source: EPO PATSTAT, worldwide filings
6 direct subcodes
Child Classifications
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- D02J 3/02 by abrading, scraping, scuffing, cutting, or nicking (preliminary roughening of fibres, e.g. for spinning, D01G3/00)
- D02J 3/04 by brushing
- D02J 3/06 by polishing, e.g. glazing, glossing
- D02J 3/10 by indenting
- D02J 3/12 by removing projecting ends of fibres
- D02J 3/18 Treating with particulate, semi-solid, or solid substances, e.g. wax (during package formation B65H71/00; waxing yarns or the like as incidental measures during spinning or twisting D01H13/30)
Top Applicants
Top 10 applicants by patent filingsfor class D02, 2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 443
- OERLIKON TEXTILE & COMPANY DE 242
- KOLON INDUSTRIES KR 232
- CONTINENTAL REIFEN DE 204
- JIANGNAN UNIVERSITY 193
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 178
- TMT MACHINERY 168
- NATIONAL DONG HWA UNIVERSITY 163
- WUHAN TEXTILE UNIVERSITY 153
- P&G (PROCTER & GAMBLE COMPANY) US 131