- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 1/12 - Writing-points comprising fibresFelt pads
Patent holdings for IPC class B43K 1/12
Total number of patents in this class: 84
10-year publication summary
|
0
|
2
|
5
|
11
|
11
|
18
|
14
|
6
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 732 |
13 |
| Societe BIC | 1059 |
11 |
| Sanford, L.P. | 930 |
10 |
| Teibow Co., Ltd | 7 |
4 |
| Aubex Corporation | 11 |
3 |
| Esprix Technologies, L.P. | 26 |
3 |
| Sakura Color Products Corporation | 263 |
3 |
| BIC Violex Single Member S.A. | 191 |
3 |
| Centre National de La Recherche Scientifique | 10102 |
2 |
| Amara Rahman Durham | 2 |
2 |
| Crayola LLC | 179 |
2 |
| Kabushiki Kaisha Pilot Corporation | 323 |
2 |
| Porex Corporation | 94 |
2 |
| Universite de Haute Alsace | 148 |
2 |
| Michael Bezuhly | 2 |
2 |
| Li-cor Biotech, LLC | 79 |
2 |
| Sharp Corporation | 10191 |
1 |
| 3S Corporation | 8 |
1 |
| Dalhousie University | 173 |
1 |
| Faber-Castell AG | 164 |
1 |
| Other owners | 14 |