- 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 21/16 - Column, tabular or like printing arrangements; Means for centralising short lines controlled by the sensing of marks or formations on the paper being typed, an undersheet, or the platen
Patent holdings for IPC class B41J 21/16
Total number of patents in this class: 19
10-year publication summary
|
1
|
1
|
1
|
4
|
2
|
3
|
1
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba TEC Corporation | 3877 |
2 |
| Riso Kagaku Corporation | 666 |
2 |
| Sato Holdings Kabushiki Kaisha | 659 |
2 |
| Canon Kabushiki Kaisha | 6884 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Kyocera Document Solutions Inc. | 5295 |
1 |
| Kabushiki Kaisha Sato | 124 |
1 |
| Max Co., Ltd. | 880 |
1 |
| Pita4 Mobile LLC | 7 |
1 |
| Screen Holdings Co., Ltd. | 2431 |
1 |
| Seiko Precision Inc. | 124 |
1 |
| Toppan Printing Co., Ltd. | 2212 |
1 |
| Sunrise R&D Holdings, LLC | 54 |
1 |
| Sharp Kabushiki Kaisha | 18957 |
1 |
| Other owners | 0 |