- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 5/08 - Ink reservoirs with movable pistons with ink-supplying valves
Patent holdings for IPC class B43K 5/08
Total number of patents in this class: 5
10-year publication summary
|
0
|
0
|
2
|
0
|
1
|
0
|
2
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Flocon, Inc. | 38 |
3 |
| Kuretake Co., Ltd. | 131 |
1 |
| Digiwork Co.,Ltd. | 10 |
1 |
| Other owners | 0 |