- All sections
- B - Performing operationstransporting
- 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
|
1
|
3
|
4
|
3
|
1
|
1
|
2
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Pilot Corporation | 343 |
11 |
| Mitsubishi Pencil Company, Limited | 797 |
9 |
| The Pilot Ink Co., Ltd. | 89 |
5 |
| Societe BIC | 1013 |
3 |
| Sanford, L.P. | 911 |
1 |
| STABILO International GmbH | 49 |
1 |
| V Spark Co., Ltd. | 4 |
1 |
| Zebra Co., Ltd. | 98 |
1 |
| Qingdao Changlong Stationery Co., Ltd. | 9 |
1 |
| Kabushiki Kaisha Pilot Corporation | 1 |
1 |
| Mopen, LLC | 8 |
1 |
| Staedtler SE | 258 |
1 |
| Other owners | 0 |