- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 21/08 - Writing-core feeding mechanisms with the writing-cores fed by screws
Patent holdings for IPC class B43K 21/08
Total number of patents in this class: 58
10-year publication summary
|
3
|
5
|
4
|
9
|
4
|
6
|
3
|
1
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokiwa Corporation | 144 |
11 |
| Hidan Co., Ltd. | 9 |
4 |
| The Procter & Gamble Company | 22043 |
3 |
| L'OREAL, Société Anonyme | 15564 |
2 |
| Axilone Plastique | 25 |
2 |
| Doselogix, LLC | 22 |
2 |
| ELC Management LLC | 1080 |
2 |
| Mitsubishi Pencil Company, Limited | 759 |
2 |
| SHP (HK) Trading Limited | 7 |
2 |
| Go Products Co. | 5 |
2 |
| Albea Services | 286 |
1 |
| Cosmetic Group USA, Inc. | 6 |
1 |
| Crayola LLC | 189 |
1 |
| Eisen GmbH | 12 |
1 |
| Gebr. Schmidt Fabrik für Feinmechanik GmbH & Co. KG | 19 |
1 |
| HCT Group Holdings Limited | 71 |
1 |
| Jackel Inc. | 3 |
1 |
| Kiss Nail Products, Inc. | 307 |
1 |
| Kores Holding Zug AG | 33 |
1 |
| Kotobuki & Co., Ltd. | 103 |
1 |
| Other owners | 16 |