- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 2/37 - Print density control by compensation for variation in current
Patent holdings for IPC class B41J 2/37
Total number of patents in this class: 5
10-year publication summary
|
1
|
1
|
0
|
2
|
0
|
1
|
0
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
1 |
| Roland DG Corporation | 337 |
1 |
| Sato Holdings Kabushiki Kaisha | 659 |
1 |
| Shandong New Beiyang Information Technology Co., Ltd. | 365 |
1 |
| Magicard Ltd | 14 |
1 |
| Other owners | 0 |