- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 1/02 - Split nibs
Patent holdings for IPC class B43K 1/02
Total number of patents in this class: 8
10-year publication summary
|
0
|
1
|
2
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DELTA S.r.l. | 11 |
1 |
| Europe Brands SARL | 6 |
1 |
| Kabushiki Kaisha Pilot Corporation | 353 |
1 |
| Montblanc-Simplo GmbH | 431 |
1 |
| Sailor Pen Co., Ltd. , The | 6 |
1 |
| Sanford, L.P. | 888 |
1 |
| Yamanaka, Kazue | 6 |
1 |
| Akita Grind Industry Co., Ltd. | 2 |
1 |
| Other owners | 0 |