- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 7/08 - Preventing leakage
Patent holdings for IPC class B43K 7/08
Total number of patents in this class: 36
10-year publication summary
|
7
|
4
|
1
|
3
|
5
|
3
|
1
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Pilot Corporation | 321 |
10 |
| Mitsubishi Pencil Company, Limited | 679 |
7 |
| The Pilot Ink Co., Ltd. | 95 |
5 |
| Societe BIC | 1064 |
5 |
| Sakura Color Products Corporation | 265 |
1 |
| Schwan-STABILO Cosmetics GmbH & Co. KG | 100 |
1 |
| STABILO International GmbH | 44 |
1 |
| V Spark Co., Ltd. | 5 |
1 |
| Zebra Co., Ltd. | 93 |
1 |
| Qingdao Changlong Stationery Co., Ltd. | 5 |
1 |
| Kabushiki Kaisha Pilot Corporation | 1 |
1 |
| Mopen, LLC | 2 |
1 |
| Staedtler SE | 233 |
1 |
| Other owners | 0 |