- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 21/00 - Propelling pencils
Patent holdings for IPC class B43K 21/00
Total number of patents in this class: 101
10-year publication summary
|
11
|
6
|
21
|
11
|
8
|
11
|
2
|
2
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 828 |
19 |
| Societe BIC | 1005 |
10 |
| Kabushiki Kaisha Pilot Corporation | 361 |
6 |
| Kotobuki & Co., Ltd. | 100 |
6 |
| Staedtler SE | 261 |
5 |
| Tokiwa Corporation | 146 |
4 |
| Zebra Co., Ltd. | 102 |
4 |
| STABILO International GmbH | 50 |
3 |
| The Procter & Gamble Company | 21862 |
2 |
| Microsoft Technology Licensing, LLC | 54586 |
2 |
| Avon Products, Inc. | 478 |
2 |
| Crayola LLC | 198 |
2 |
| Staedtler Mars GmbH & Co. KG | 30 |
2 |
| Mopen, LLC | 8 |
2 |
| Kyocera Corporation | 14451 |
1 |
| Boe Technology Group Co., Ltd. | 44653 |
1 |
| Acer Incorporated | 2193 |
1 |
| AMOREPACIFIC Corporation | 2913 |
1 |
| Biopencil S.A. | 1 |
1 |
| Eisen GmbH | 14 |
1 |
| Other owners | 26 |