CPC Subgroup
B43K 8/028 Full Title
Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00) > with writing-points comprising fibres, felt, or similar porous or capillary material (B43K8/22 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor class B43, 2013–2023, worldwide · Source: EPO PATSTAT
- SOCIETE BIC FR 422
- MITSUBISHI PENCIL COMPANY JP 381
- PILOT CORPORATION JP 299
- MITSUBISHI PENCIL COMPANY 213
- PILOT CORPORATION 100
- WACOM COMPANY JP 89
- STAEDTLER MARS & COMPANY DE 87
- KOTOBUKI JP 82
- CRAYOLA US 78
- SANFORD US 73