- All sections
- B - Performing operationstransporting
- 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: 290
10-year publication summary
29
|
28
|
30
|
29
|
21
|
27
|
28
|
25
|
21
|
13
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Pencil Company, Limited | 753 |
76 |
Societe BIC | 1041 |
24 |
Kabushiki Kaisha Pilot Corporation | 330 |
18 |
The Pilot Ink Co., Ltd. | 89 |
13 |
Sanford, L.P. | 935 |
11 |
Crayola LLC | 187 |
9 |
Kuretake Co., Ltd. | 129 |
8 |
Sakura Color Products Corporation | 257 |
7 |
BIC Violex Single Member S.A. | 210 |
6 |
3S Corporation | 8 |
4 |
Flocon, Inc. | 37 |
4 |
Milwaukee Electric Tool Corporation | 4310 |
4 |
Tokiwa Corporation | 145 |
4 |
V Spark Co., Ltd. | 5 |
4 |
Vertech, Inc. | 4 |
4 |
Aubex Corporation | 10 |
3 |
Chemicos Creations Ltd. | 8 |
3 |
Epoch Chemical Co., Ltd. | 4 |
3 |
Esprix Technologies, L.P. | 25 |
3 |
Faber-Castell AG | 160 |
3 |
Other owners | 79 |