CPC Subgroup
B43L 17/08 Roller blotters
Full Title
Blotters (blotting pads B43L3/00; combined with writing implements B43K29/04; making blotting paper D21F11/14) > for reeled blotting-paper > Roller blotters
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