- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 3/04 - Nib holders with retractable nibs
Patent holdings for IPC class B43K 3/04
Total number of patents in this class: 10
10-year publication summary
|
2
|
1
|
0
|
1
|
1
|
2
|
2
|
1
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Best Point Stationery Co., Ltd | 21 |
2 |
| Intel Corporation | 47122 |
1 |
| Flocon, Inc. | 43 |
1 |
| Kokuyo Co., Ltd. | 238 |
1 |
| Mitsubishi Pencil Company, Limited | 823 |
1 |
| Wencheng County Jianchuang Co., Ltd. | 1 |
1 |
| Zumedia Inc. | 350 |
1 |
| Wenzhou Jianxi Stationery Co., Ltd. | 2 |
1 |
| Shawn Kalina | 1 |
1 |
| Other owners | 0 |