- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 8/02 - Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
Patent holdings for IPC class B43K 8/02
Total number of patents in this class: 271
10-year publication summary
|
24
|
29
|
28
|
30
|
29
|
21
|
27
|
28
|
25
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 679 |
65 |
| Societe BIC | 1064 |
23 |
| Kabushiki Kaisha Pilot Corporation | 321 |
17 |
| The Pilot Ink Co., Ltd. | 95 |
13 |
| Sanford, L.P. | 948 |
12 |
| Crayola LLC | 177 |
8 |
| Kuretake Co., Ltd. | 131 |
8 |
| Sakura Color Products Corporation | 265 |
8 |
| Tokiwa Corporation | 146 |
6 |
| Flocon, Inc. | 38 |
5 |
| Milwaukee Electric Tool Corporation | 3572 |
5 |
| 3S Corporation | 8 |
4 |
| V Spark Co., Ltd. | 5 |
4 |
| Aubex Corporation | 11 |
3 |
| Chemicos Creations Ltd. | 7 |
3 |
| Epoch Chemical Co., Ltd. | 4 |
3 |
| Esprix Technologies, L.P. | 26 |
3 |
| Faber-Castell AG | 165 |
3 |
| Kotobuki & Co., Ltd. | 109 |
3 |
| Pentel Kabushiki Kaisha | 153 |
3 |
| Other owners | 72 |