- All sections
- B - Performing operationstransporting
- B43L - Articles for writing or drawing uponaccessories for writing or drawing
- B43L 19/00 - Erasers, rubbers, or erasing devicesHolders therefor
Patent holdings for IPC class B43L 19/00
Total number of patents in this class: 215
10-year publication summary
|
18
|
17
|
25
|
18
|
21
|
8
|
13
|
5
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kokuyo Co., Ltd. | 216 |
28 |
| Societe BIC | 1042 |
22 |
| Fujicopian Co., Ltd. | 37 |
17 |
| Mitsubishi Pencil Company, Limited | 752 |
12 |
| Kabushiki Kaisha Pilot Corporation | 329 |
8 |
| Sakura Color Products Corporation | 257 |
8 |
| Sanford, L.P. | 935 |
8 |
| Tombow Pencil Co., Ltd. | 138 |
7 |
| Seed Company Limited | 103 |
6 |
| Staedtler SE | 244 |
6 |
| Kotobuki & Co., Ltd. | 103 |
5 |
| Plus Corporation | 78 |
5 |
| The Pilot Ink Co., Ltd. | 89 |
4 |
| Widetech Manufacturing SDN. BHD. | 5 |
4 |
| Kokuyo S&T Co., Ltd. | 19 |
4 |
| Yiyang Twingo Stationery Co., Ltd. | 6 |
4 |
| BIC Violex Single Member S.A. | 210 |
4 |
| Delta of Sweden AB | 20 |
3 |
| Amara Rahman Durham | 2 |
2 |
| Amazing Magnets, LLC | 10 |
2 |
| Other owners | 56 |